Play Store policies and no longer allows apps that place obtrusive ads on your
handset’s lock screen. The new change affects all apps whose purpose is any
other from being lockscreens themselves and is detailed in the the developers’
monetization support page. It reads as follows:
exclusive purpose of the app is that of a lockscreen, apps may not introduce
ads or features that monetize the locked display of a device.”
replacement, it’s technically still allowed to show you ads; however, music
players, third-party galleries, and casual games won’t be allowed to do that.
bad cop and following through on its new guidelines by pulling out apps that
are not compliant with them.