Forcely Closer
As on xiaomi's phones basically on miui a user can forcely stop any application by pressing back button for few seconds.
By this application this functionality can be added to any android phone running above api level 18 (i.e. Jelly Bean).
No root access required.
As "android.permission.INTERNET" is not added in manifest this app will not send your personal data.
To forcely close any application press back button for 800 milliseconds.
For the functioning of this app give accessibility service permission.