diff --git a/.gitignore b/.gitignore
index 32e76575e..8cfc62075 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 .DS_Store
 .vscode/
 *.o
+/documents/
 /design/
 /src/**/*.log
 /build/
diff --git a/src/storyTeller/app_autosleep.h b/src/storyTeller/app_autosleep.h
index 21fc95ebd..9bdf489f4 100644
--- a/src/storyTeller/app_autosleep.h
+++ b/src/storyTeller/app_autosleep.h
@@ -5,11 +5,12 @@
 
 #include "system/display.h"
 
-#define AUTOSLEEP_INACTIVE_TIME_SCREEN_ON 30
-#define AUTOSLEEP_INACTIVE_TIME_SCREEN_OFF 180
+#include "./app_parameters.h"
 
 static bool autosleepLocked = false;
 static long int autosleepTime = 0;
+static int autosleepTimeScreenOn = 0;
+static int autosleepTimeScreenOff = 0;
 
 long int autosleep_timestamp(void) {
     return (long int) time(0);
@@ -18,9 +19,9 @@ long int autosleep_timestamp(void) {
 void autosleep_keepAwake(void)
 {
     if(display_enabled) {
-        autosleepTime = autosleep_timestamp() + AUTOSLEEP_INACTIVE_TIME_SCREEN_ON;
+        autosleepTime = autosleep_timestamp() + autosleepTimeScreenOn;
     } else {
-        autosleepTime = autosleep_timestamp() + AUTOSLEEP_INACTIVE_TIME_SCREEN_OFF;
+        autosleepTime = autosleep_timestamp() + autosleepTimeScreenOff;
     }
 }
 
@@ -33,18 +34,20 @@ bool autosleep_isSleepingTime(void)
     return false;
 }
 
-void autosleep_lock() {
+void autosleep_lock(void) {
     autosleepLocked = true;
 }
 
-void autosleep_unlock() {
+void autosleep_unlock(int timeScreenOn, int timeScreenOff) {
+    autosleepTimeScreenOn = timeScreenOn;
+    autosleepTimeScreenOff = timeScreenOff;
     autosleep_keepAwake();
     autosleepLocked = false;
 }
 
-void autosleep_init(void)
+void autosleep_init(int timeScreenOn, int timeScreenOff)
 {
-    autosleep_keepAwake();
+    autosleep_unlock(timeScreenOn, timeScreenOff);
 }
 
 #endif // STORYTELLER_APP_AUTOSLEEP__
\ No newline at end of file
diff --git a/src/storyTeller/app_parameters.h b/src/storyTeller/app_parameters.h
new file mode 100644
index 000000000..c755c50fa
--- /dev/null
+++ b/src/storyTeller/app_parameters.h
@@ -0,0 +1,65 @@
+#ifndef STORYTELLER_APP_PARAMETERS__
+#define STORYTELLER_APP_PARAMETERS__
+
+static double parametersAudioVolumeStartup = 0.3;
+static double parametersAudioVolumeMax = 0.6;
+static double parametersScreenBrightnessStartup = 0.3;
+static double parametersScreenBrightnessMax = 0.6;
+static int parametersScreenOnInactivityTime = 120;
+static int parametersScreenOffInactivityTime = 300;
+static int parametersMusicInactivityTime = 3600;
+
+#define APP_PARAMETERS_PATH "/mnt/SDCARD/Saves/.parameters"
+
+
+int parameters_getAudioVolumeStartup() {
+    return (int)(parametersAudioVolumeStartup * 20 + 0.5);
+}
+
+int parameters_getAudioVolumeMax() {
+    return (int)(parametersAudioVolumeMax * 20 + 0.5);
+}
+
+int parameters_getAudioVolumeValidation(int audioVolume) {
+    return audioVolume > parameters_getAudioVolumeMax() ? parameters_getAudioVolumeMax() : audioVolume;
+}
+
+int parameters_getScreenBrightnessStartup() {
+    return (int)(parametersScreenBrightnessStartup * 10 + 0.5);
+}
+
+int parameters_getScreenBrightnessMax() {
+    return (int)(parametersScreenBrightnessMax * 10 + 0.5);
+}
+
+int parameters_getScreenBrightnessValidation(int brightness) {
+    return brightness > parameters_getScreenBrightnessMax() ? parameters_getScreenBrightnessMax() : brightness;
+}
+
+int parameters_getScreenOnInactivityTime() {
+    return parametersScreenOnInactivityTime;
+}
+
+int parameters_getScreenOffInactivityTime() {
+    return parametersScreenOffInactivityTime;
+}
+
+int parameters_getMusicInactivityTime() {
+    return parametersMusicInactivityTime;
+}
+
+void parameters_init(void)
+{
+    cJSON *parameters = json_load(APP_PARAMETERS_PATH);
+    if(parameters != NULL) {
+        json_getDouble(parameters, "audioVolumeStartup", &parametersAudioVolumeStartup);
+        json_getDouble(parameters, "audioVolumeMax", &parametersAudioVolumeMax);
+        json_getDouble(parameters, "screenBrightnessStartup", &parametersScreenBrightnessStartup);
+        json_getDouble(parameters, "screenBrightnessMax", &parametersScreenBrightnessMax);
+        json_getInt(parameters, "screenOnInactivityTime", &parametersScreenOnInactivityTime);
+        json_getInt(parameters, "screenOffInactivityTime", &parametersScreenOffInactivityTime);
+        json_getInt(parameters, "musicInactivityTime", &parametersMusicInactivityTime);
+    }
+}
+
+#endif // STORYTELLER_APP_PARAMETERS__
\ No newline at end of file
diff --git a/src/storyTeller/app_selector.h b/src/storyTeller/app_selector.h
index 2b32614d3..64ec25c56 100644
--- a/src/storyTeller/app_selector.h
+++ b/src/storyTeller/app_selector.h
@@ -33,7 +33,7 @@ void app_refreshScreen(void)
     }
     video_displayImage(SYSTEM_RESOURCES, appImages[appIndex]);
     display_setScreen(true);
-    autosleep_unlock();
+    autosleep_unlock(parameters_getScreenOnInactivityTime(), parameters_getScreenOffInactivityTime());
 }
 
 void app_previous(void)
diff --git a/src/storyTeller/music_player.h b/src/storyTeller/music_player.h
index d4ca8fc6f..24e6daff0 100644
--- a/src/storyTeller/music_player.h
+++ b/src/storyTeller/music_player.h
@@ -8,6 +8,7 @@
 
 #include "./app_autosleep.h"
 #include "./sdl_helper.h"
+#include "./app_parameters.h"
 
 static char **musicList = NULL;
 static int musicCount = 0;
@@ -17,6 +18,10 @@ static void (*callback_musicplayer_autoplay)(void);
 #define SYSTEM_RESOURCES "/mnt/SDCARD/.tmp_update/res/"
 #define MUSICPLAYER_RESOURCES "/mnt/SDCARD/Music/"
 
+void musicplayer_autosleep_unlock(void) {
+    autosleep_unlock(parameters_getMusicInactivityTime(), parameters_getMusicInactivityTime());
+}
+
 
 void musicplayer_load(void)
 {
@@ -35,7 +40,6 @@ void musicplayer_load(void)
 
     video_displayBlackScreen();
     display_setScreen(false);
-    autosleep_lock();
     audio_play(MUSICPLAYER_RESOURCES, musicList[musicIndex], &position);
     Mix_HookMusicFinished(callback_musicplayer_autoplay);
 }
@@ -59,7 +63,8 @@ void musicplayer_ok(void)
 
 void musicplayer_autoplay(void)
 {
-    musicplayer_next();
+    musicIndex += 1;
+    musicplayer_load();
 }
 
 
@@ -67,11 +72,11 @@ void musicplayer_pause(void)
 {
     if(Mix_PlayingMusic() == 1) {
         if (Mix_PausedMusic() == 1) {
-            autosleep_lock();
             Mix_ResumeMusic();
+            musicplayer_autosleep_unlock();
         } else {
-            autosleep_unlock();
             Mix_PauseMusic();
+            autosleep_lock();
         }
     }
 }
@@ -94,11 +99,12 @@ void musicplayer_save(void)
 
 bool musicplayer_isMp3File(const char *fileName)
 {
-    return strcmp((char *)fileName + strlen(fileName) - 4, ".mp3") == 0 || strcmp((char *)fileName + strlen(fileName) - 4, ".MP3") == 0;
+    return strcmp((char *)fileName + strlen(fileName) - 4, ".mp3") == 0;
 }
 
 void musicplayer_init(void)
 {
+    musicplayer_autosleep_unlock();
     callback_musicplayer_autoplay = &musicplayer_autoplay;
 
     video_displayImage(SYSTEM_RESOURCES, "loadingMusic.png");
diff --git a/src/storyTeller/stories_reader.h b/src/storyTeller/stories_reader.h
index 167fca256..b2673c795 100644
--- a/src/storyTeller/stories_reader.h
+++ b/src/storyTeller/stories_reader.h
@@ -12,36 +12,44 @@
 #include "./app_file.h"
 #include "./app_autosleep.h"
 #include "./sdl_helper.h"
+#include "./app_parameters.h"
+
+#define STR_DIRNAME 64
 
 static char **storiesList = NULL;
 static cJSON *storyJson = NULL;
 static int storiesCount = 0;
 static int storyIndex = 0;
-static int storyStageIndex = 0;
-static int storyActionIndex = -1;
+static char storyStageKey[STR_MAX] = {'\0'};
+static char storyActionKey[STR_MAX] = {'\0'};
 static int storyActionOptionIndex = 0;
 static int storyActionOptionsCount = 0;
 static double storyTime = 0;
 static long int storyStartTime = 0;
 static bool storyAutoplay = false;
+static bool storyOkAction = true;
 static void (*callback_stories_autoplay)(void);
+static void (*callback_stories_reset)(void);
 
 #define SYSTEM_RESOURCES "/mnt/SDCARD/.tmp_update/res/"
 #define STORIES_RESOURCES "/mnt/SDCARD/Stories/"
 
+void stories_autosleep_unlock(void) {
+    autosleep_unlock(parameters_getScreenOnInactivityTime(), parameters_getScreenOffInactivityTime());
+}
+
 long int stories_timestamp(void) {
     return (long int) time(0);
 }
 
-bool stories_saveSession(void)
+void stories_saveSession(void)
 {
-    return file_save(
+    file_save(
         APP_SAVEFILE, 
-        "{\"app\":%d, \"storyIndex\":%d, \"storyStageIndex\":%d, \"storyActionIndex\":%d, \"storyActionOptionIndex\":%d, \"storyTime\":%lf}", 
+        "{\"app\":%d, \"storyIndex\":%d, \"storyActionKey\":\"%s\", \"storyActionOptionIndex\":%d, \"storyTime\":%lf}", 
         APP_STORIES,
         storyIndex, 
-        storyStageIndex, 
-        storyActionIndex,
+        storyActionKey,
         storyActionOptionIndex,
         storyAutoplay ? storyTime : 0
     );
@@ -49,20 +57,18 @@ bool stories_saveSession(void)
 
 bool stories_loadSession(void)
 {
+    storyStageKey[0] = '\0';
     cJSON *savedState = json_load(APP_SAVEFILE);
     int a;
     if(savedState != NULL && json_getInt(savedState, "app", &a) && a == APP_STORIES) {
         json_getInt(savedState, "storyIndex", &storyIndex);
-        json_getInt(savedState, "storyStageIndex", &storyStageIndex);
-        json_getInt(savedState, "storyActionIndex", &storyActionIndex);
+        json_getString(savedState, "storyActionKey", storyActionKey);
         json_getInt(savedState, "storyActionOptionIndex", &storyActionOptionIndex);
         json_getDouble(savedState, "storyTime", &storyTime);
         remove(APP_SAVEFILE);
         return true;
     }
-
-    storyStageIndex = 0;
-    storyActionIndex = -1;
+    storyActionKey[0] = '\0';
     storyActionOptionIndex = 0;
     storyTime = 0;
     return false;
@@ -71,28 +77,28 @@ bool stories_loadSession(void)
 
 cJSON *stories_getStage(void)
 {
-    cJSON *stageNodes = cJSON_GetObjectItem(storyJson, "stageNodes");
+    cJSON *stageNodes = cJSON_GetObjectItem(storyJson, "stages");
 
     if(stageNodes == NULL) {
         return NULL;
     }
 
-    return cJSON_GetArrayItem(stageNodes, storyStageIndex);
+    return cJSON_GetObjectItem(stageNodes, storyStageKey);
 }
 
 cJSON *stories_getAction(void)
 {
-    if(storyActionIndex == -1) {
+    if(storyActionKey[0] == '\0') {
         return NULL;
     }
 
-    cJSON *actionNodes = cJSON_GetObjectItem(storyJson, "actionNodes");
+    cJSON *actionNodes = cJSON_GetObjectItem(storyJson, "actions");
 
     if(actionNodes == NULL) {
         return NULL;
     }
 
-    return cJSON_GetArrayItem(actionNodes, storyActionIndex);
+    return cJSON_GetObjectItem(actionNodes, storyActionKey);
 }
 
 void stories_readStage(void)
@@ -102,43 +108,37 @@ void stories_readStage(void)
         return;
     }
     
-    char story_path[STR_MAX], imageFilename[STR_MAX], soundFilename[STR_MAX];
-    sprintf(story_path, "%s%s/assets/", STORIES_RESOURCES, storiesList[storyIndex]);
+    char story_audio_path[STR_MAX], story_image_path[STR_MAX], imageFilename[STR_MAX], soundFilename[STR_MAX];
+    sprintf(story_audio_path, "%s%s/audios/", STORIES_RESOURCES, storiesList[storyIndex]);
+    sprintf(story_image_path, "%s%s/images/", STORIES_RESOURCES, storiesList[storyIndex]);
     
     if(!cJSON_IsNull(cJSON_GetObjectItem(stageNode, "image")) && json_getString(stageNode, "image", imageFilename)) {
-        video_displayImage(story_path, imageFilename);
+        video_displayImage(story_image_path, imageFilename);
         display_setScreen(true);
     } else {
         video_displayBlackScreen();
         display_setScreen(false);
     }
 
+    storyAutoplay = false;
+    storyOkAction = true;
+
     if(!cJSON_IsNull(cJSON_GetObjectItem(stageNode, "audio")) && json_getString(stageNode, "audio", soundFilename)) {
-        audio_play(story_path, soundFilename, &storyTime);
+        audio_play(story_audio_path, soundFilename, &storyTime);
         storyStartTime = stories_timestamp();
-        if(cJSON_IsTrue(cJSON_GetObjectItem(cJSON_GetObjectItem(stageNode, "controlSettings"), "autoplay"))) {
+        if(cJSON_IsTrue(cJSON_GetObjectItem(cJSON_GetObjectItem(stageNode, "control"), "autoplay"))) {
             storyAutoplay = true;
+            storyOkAction = cJSON_IsTrue(cJSON_GetObjectItem(cJSON_GetObjectItem(stageNode, "control"), "ok"));
             autosleep_lock();
             Mix_HookMusicFinished(callback_stories_autoplay);
         } else {
-            autosleep_unlock();
+            stories_autosleep_unlock();
         }
     } else {
-        autosleep_unlock();
+        stories_autosleep_unlock();
     }
 }
 
-void stories_reset(void) 
-{
-    Mix_HookMusicFinished(NULL);
-    storyAutoplay = false;
-    storyStageIndex = 0;
-    storyActionIndex = -1;
-    storyActionOptionIndex = 0;
-    storyTime = 0;
-    stories_readStage();
-}
-
 void stories_readAction(void)
 {
     if(storiesCount == 0) {
@@ -151,99 +151,106 @@ void stories_readAction(void)
         storyActionOptionIndex = 0;
     }
 
-    cJSON *stageAction = stories_getAction();
-    if(stageAction == NULL) {
-        return;
-    }
-    
-    cJSON *options = cJSON_GetObjectItem(stageAction, "options");
-    if(options == NULL) {
+    cJSON *nodeAction = stories_getAction();
+    if(nodeAction == NULL) {
         return;
     }
+
+    cJSON *option = cJSON_GetArrayItem(nodeAction, storyActionOptionIndex);
     
-    cJSON *option = cJSON_GetArrayItem(options, storyActionOptionIndex);
     if(option == NULL) {
         return;
     }
-    
-    char *stageNodeUUID = cJSON_GetStringValue(option);
-    char stageUUID[STR_MAX];
-    storyStageIndex = -1;
-    do {
-        storyStageIndex += 1;
-        cJSON *stageNode = stories_getStage();
-        if(stageNode == NULL) {
-            return stories_reset();
-        }
-        json_getString(stageNode, "uuid", stageUUID);
 
-    } while(strcmp(stageUUID, stageNodeUUID) != 0);
-    
-    storyTime = 0;
+    json_getString(option, "stage", storyStageKey);
     stories_readStage();
 }
 
 void stories_load(void)
+{
+    if(storiesCount == 0) {
+        return;
+    }
+
+    char story_path[STR_MAX];
+    sprintf(story_path, "%s%s/nodes.json", STORIES_RESOURCES, storiesList[storyIndex]);
+    storyJson = json_load(story_path);
+    if(storyJson == NULL) {
+        return;
+    }
+
+    if(storyActionKey[0] == '\0') {
+        cJSON *startTransition = cJSON_GetObjectItem(storyJson, "startAction");
+
+        if(startTransition == NULL) {
+            return callback_stories_reset();
+        }
+
+        json_getString(startTransition, "action", storyActionKey);
+        json_getInt(startTransition, "index", &storyActionOptionIndex);
+        storyTime = 0;
+    }
+
+    cJSON *nodeAction = stories_getAction();
+    if(nodeAction == NULL) {
+        return;
+    }
+
+    storyActionOptionsCount = cJSON_GetArraySize(nodeAction);
+    stories_readAction();
+}
+
+void stories_title(void)
 {
     if(storiesCount == 0) {
         video_displayImage(SYSTEM_RESOURCES, "noStory.png");
         return;
     }
-    
-    stories_loadSession();
+
+    if(stories_loadSession()) {
+        return stories_load();
+    }
 
     if(storyIndex < 0) {
         storyIndex = storiesCount - 1;
     } else if (storyIndex >= storiesCount) {
         storyIndex = 0;
     }
-
+    
     char story_path[STR_MAX];
-    sprintf(story_path, "%s%s/story.json", STORIES_RESOURCES, storiesList[storyIndex]);
-    storyJson = json_load(story_path);
-    if(storyJson == NULL) {
-        return;
-    }
+    sprintf(story_path, "%s%s/", STORIES_RESOURCES, storiesList[storyIndex]);
     
-    stories_readStage();
+    storyTime = 0;
+    video_displayImage(story_path, "title.png");
+    audio_play(story_path, "title.mp3", &storyTime);
+    display_setScreen(true);
+    stories_autosleep_unlock();
+    storyStartTime = stories_timestamp();
 }
 
 void stories_transition(char* transition) {
+    
     if(storiesCount == 0) {
         return;
     }
 
-    Mix_HookMusicFinished(NULL);
-
     cJSON *stageNode = stories_getStage();
     if(stageNode == NULL) {
-        return stories_reset();
+        return callback_stories_reset();
     }
     
     cJSON *transitionNode = cJSON_GetObjectItem(stageNode, transition);
     if(transitionNode == NULL || cJSON_IsNull(transitionNode)) {
-        return stories_reset();
+        return callback_stories_reset();
     }
 
-    cJSON *actionNode;
-    char actionNodeId[STR_MAX], actionId[STR_MAX];
-
-    json_getString(transitionNode, "actionNode", actionNodeId);
-    json_getInt(transitionNode, "optionIndex", &storyActionOptionIndex);
-
-    storyActionIndex = -1;
-    do {
-        storyActionIndex += 1;
-        actionNode = stories_getAction();
-        if(actionNode == NULL) {
-            return stories_reset();
-        }
-        json_getString(actionNode, "id", actionId);
-
-    } while(strcmp(actionId, actionNodeId) != 0);
+    Mix_HookMusicFinished(NULL);
+    storyTime = 0;
 
-    storyActionOptionsCount = cJSON_GetArraySize(cJSON_GetObjectItem(actionNode, "options"));
-    return stories_readAction();
+    json_getString(transitionNode, "action", storyActionKey);
+    json_getInt(transitionNode, "index", &storyActionOptionIndex);
+    storyActionOptionsCount = cJSON_GetArraySize(stories_getAction());
+    stories_readAction();
 }
 
 void stories_rewind(double time)
@@ -259,9 +266,9 @@ void stories_next(void)
     if(storyAutoplay) {
         stories_rewind(10);
     } else {
-        if(storyActionIndex == -1) {
+        if(storyActionKey[0] == '\0') {
             storyIndex += 1;
-            stories_load();
+            stories_title();
         } else {
             storyActionOptionIndex += 1;
             stories_readAction();
@@ -275,9 +282,9 @@ void stories_previous(void)
     if(storyAutoplay) {
         stories_rewind(-10);
     } else {
-        if(storyActionIndex == -1) {
+        if(storyActionKey[0] == '\0') {
             storyIndex -= 1;
-            stories_load();
+            stories_title();
         } else {
             storyActionOptionIndex -= 1;
             stories_readAction();
@@ -287,17 +294,21 @@ void stories_previous(void)
 
 void stories_ok(void)
 {
-    if(storyAutoplay) {
+    if(!storyOkAction) {
         return;
     }
     
-    stories_transition("okTransition");
+    if(storyActionKey[0] == '\0') {
+        stories_load();
+    } else {
+        stories_transition("ok");
+    }
 }
 
 
 void stories_autoplay(void)
 {
-    storyAutoplay = false;
+    storyOkAction = true;
     stories_ok();
 }
 
@@ -310,7 +321,7 @@ void stories_pause(void)
             Mix_ResumeMusic();
             storyStartTime = stories_timestamp();
         } else {
-            autosleep_unlock();
+            stories_autosleep_unlock();
             Mix_PauseMusic();
             long int ts = stories_timestamp();
             storyTime += (double)(ts - storyStartTime);
@@ -321,7 +332,7 @@ void stories_pause(void)
 
 bool stories_home(void)
 {
-    if(storyActionIndex == -1) {
+    if(storyActionKey[0] == '\0') {
         Mix_HookMusicFinished(NULL);
         if(Mix_PlayingMusic() == 1) {
             if (Mix_PausedMusic() != 1) {
@@ -330,7 +341,7 @@ bool stories_home(void)
         }
         return true;
     } else {
-        stories_transition("homeTransition");
+        stories_transition("home");
         return false;
     }
 }
@@ -345,9 +356,26 @@ void stories_save(void)
     stories_saveSession();
 }
 
+void stories_reset(void) 
+{
+    Mix_HookMusicFinished(NULL);
+    storyAutoplay = false;
+    storyOkAction = true;
+    storyStageKey[0] = '\0';
+    storyActionKey[0] = '\0';
+    storyActionOptionIndex = 0;
+    storyTime = 0;
+    stories_title();
+}
+
 void stories_init(void)
 {
+    if(storiesList != NULL) {
+        return stories_title();
+    }
+
     callback_stories_autoplay = &stories_autoplay;
+    callback_stories_reset = &stories_reset;
 
     video_displayImage(SYSTEM_RESOURCES, "loadingStories.png");
 
@@ -369,14 +397,14 @@ void stories_init(void)
 
     while((dir = readdir(d)) != NULL) {
         if (dir->d_type == DT_DIR && strcmp(dir->d_name, ".") != 0 && strcmp(dir->d_name, "..") != 0) {
-            filesList[i] = (char*) malloc(STR_MAX * sizeof(char));
+            filesList[i] = (char*) malloc(STR_DIRNAME);
             strcpy(filesList[i], dir->d_name);
             i++;
         }
     }
     closedir(d);
     storiesList = filesList;
-    stories_load();
+    stories_title();
 }
 
 #endif // STORYTELLER_STORIES_HELPER__
\ No newline at end of file
diff --git a/src/storyTeller/storyTeller.c b/src/storyTeller/storyTeller.c
index 06c471b6a..fae08f9ee 100644
--- a/src/storyTeller/storyTeller.c
+++ b/src/storyTeller/storyTeller.c
@@ -13,6 +13,7 @@
 #include "./app_autosleep.h"
 #include "./sdl_helper.h"
 #include "./app_selector.h"
+#include "./app_parameters.h"
 
 
 // for ev.value
@@ -41,10 +42,11 @@ int main(int argc, char *argv[])
     video_audio_init();
     settings_init();
     display_init();
-    settings_setVolume(6, true);
-    settings_setBrightness(3, true, false);
+    parameters_init();
+    settings_setVolume(parameters_getAudioVolumeStartup(), true);
+    settings_setBrightness(parameters_getScreenBrightnessStartup(), true, false);
 
-    autosleep_init();
+    autosleep_init(parameters_getScreenOnInactivityTime(), parameters_getScreenOffInactivityTime());
     app_init();
 
     // Prepare for Poll button input
@@ -112,10 +114,10 @@ int main(int argc, char *argv[])
                             break;
                         case HW_BTN_VOLUME_UP :
                             if(is_menu_pressed) {
-                                settings_setBrightness(settings.brightness + 1, true, false);
+                                settings_setBrightness(parameters_getScreenBrightnessValidation(settings.brightness + 1), true, false);
                                 osd_showBrightnessBar(settings.brightness);
                             } else {
-                                settings_setVolume(settings.volume + 1, true);
+                                settings_setVolume(parameters_getAudioVolumeValidation(settings.volume + 1), true);
                                 osd_showVolumeBar(settings.volume, false);
                             }
                             break;
diff --git a/static/build/.tmp_update/res/sdcard.ico b/static/build/.tmp_update/res/sdcard.ico
index ff466b448..fd3633d3c 100644
Binary files a/static/build/.tmp_update/res/sdcard.ico and b/static/build/.tmp_update/res/sdcard.ico differ
diff --git a/static/build/.tmp_update/runtime.sh b/static/build/.tmp_update/runtime.sh
index d8acc9de9..9cc7f1024 100644
--- a/static/build/.tmp_update/runtime.sh
+++ b/static/build/.tmp_update/runtime.sh
@@ -45,18 +45,15 @@ main() {
     fi
 
     cd $sysdir
-    bootScreen "convertingFiles"
+    bootScreen "Boot"
 
     # Init
     rm /tmp/.offOrder 2> /dev/null
     HOME=/mnt/SDCARD/Stories/
     
     mkdir -m 777 -p /mnt/SDCARD/Saves
-    storyteller_jpg2png
 
-    bootScreen "Boot"
     # start_networking
-    sleep 1
     rm -rf /tmp/is_booting
 
     launch_storyteller
@@ -65,28 +62,6 @@ main() {
     done
 }
 
-storyteller_jpg2png() {
-    for directory in /mnt/SDCARD/Stories/*; do
-        if [ ! -d "$directory" ]; then
-            continue
-        fi
-
-        hasconvertedjpg=false
-        for file in "$directory"/assets/*.jpg "$directory"/assets/*.jpeg "$directory"/assets/*.JPG "$directory"/assets/*.JPEG; do
-            if [ ! -f "$file" ]; then
-                continue
-            fi
-            jpg2png "$file" 480 360
-            rm -f "$file" 2> /dev/null
-            hasconvertedjpg=true
-        done
-        
-        if $hasconvertedjpg; then
-            sed -i 's/\.\(jpg\|jpeg\)"/\.png"/gI' "$directory"/story.json
-        fi
-    done
-}
-
 set_prev_state() {
     echo "$1" > /tmp/prev_state
 }
diff --git a/static/build/Saves/.parameters b/static/build/Saves/.parameters
new file mode 100644
index 000000000..6840b2f98
--- /dev/null
+++ b/static/build/Saves/.parameters
@@ -0,0 +1,9 @@
+{
+  "audioVolumeStartup": 0.3,
+  "audioVolumeMax": 0.6,
+  "screenBrightnessStartup": 0.3,
+  "screenBrightnessMax": 0.6,
+  "screenOnInactivityTime": 120,
+  "screenOffInactivityTime": 300,
+  "musicInactivityTime": 3600
+}