nyveZz

that's an android system app i have that app on all my devices

Works after you remove Xiaomi account, the 4 mi cloud apps and both Xiaomi Service Framework Keeper apps as mentioned in https://www.reddit.com/r/miui/comments/150zulx/how_to_unistall_system_apps_without_causing/. (Just to be safe) Tested on HyperOS, Xiaomi...

The exact package name of the wallpaper app you need is com.google.android.apps.wallpaper