Wallpaper Changer (de.j4velin.wallpaperChanger) on Google Play
This app allows you to quickly change your wallpaper with one single click on a widget!Additionally, you can enable a timer to automatically change your wallpaper on a predefined time.This app is optimized for battery life & performence, so it might take some seconds to actually change the wallpaper after a click on the widget!Features:• Easily add images or whole folders• Change wallpaper with a timer, on each lockscreen unlock, through a customizable widget or based on different rules• Widgets: change to next wallpaper in rotation list, select the wallpaper you want to see or change the album* with one click• Ordered rotation or random list• Very low battery consumption• No ads• Muzei integration* Organizing your images in different albums requires purchasing the "albums feature" through an in-app payment (0.99 EUR, 1.49 USD)---------------------Permissions:SET_WALLPAPER - for the non-livewallpaper modeRECEIVE_BOOT_COMPLETED - needed to start auto rotation after rebootWRITE_EXTERNAL_STORAGE - needed to save cropped wallpapers & widget imagesBILLING - for in-app buying of premium Features (0.99 EUR, 1.49 USD)The following permissions are required for the location based rules on Android 2.3 and newer:ACCESS_COARSE_LOCATIONACCESS_FINE_LOCATIONACCESS_NETWORK_STATEINTERNET