This app is an android phone app. Extension is apk and use of this app is for inapp purchasing in any game and application this app work with and without root permission. So there is no problem if your phone is rooted or not you can enjoy this app in any condition.
Other uses of this app
you can create backup of any app into sdcard that is installed in your phone for installation of that app without any internet connection or we can say this in easy words to creating backup of app to install it again without any connection
modifey any app through this app for example you can remove ads of any app, you can also change permissions of any app i.e. location permission, get task, camera permission, internet permission, phone access permission, etc you can remove through this app
you can create clone of any app like if you want to install one game in one phone at two places for example you want to login your id in 1st game and in 2nd you want to login your brothers or others you can make a clone of that app for this purpose also creat clone of whatsapp for login two whatsapp in one phone
How to use
Friends download this app first if you want to create clone check clone app throught lucky patcher post on this blog
if you want to creat backup also check clone post and if you want to change location of any app or game also check that post on my blog