The problem is rarely the screen; it is the app with no ending. These have one.
A round of letters ends when the round ends.
Free to download; one-time lifetime unlock.
在 App Store 下载 →Short, finishable number activities.
Free to download; one-time lifetime unlock.
在 App Store 下载 →A daily mission list, then done.
Free to download; one-time lifetime unlock.
在 App Store 下载 →For the adult: block out the time you want back.
Free to download; one-time lifetime unlock.
在 App Store 下载 →No.
No.