How to fix App not installed Error in android-app not installed-app not installed for this user-application not installed.
I get the following error message while try to install the whatspp apk file:
App not installed.
This problem solution is common for android(trust me),tablets,bluestacks and the devices are samsung,micromax,sony,vivo,gionee,genymotion,panasonic,htc,lenovo,moto,nexus.
This method is also new 2016, and working for root,without root,no root,non rooted devices and the android versions are lollipop,marshmallow,kitkat.
1.Goto google play store and then install apk editor app/aptoide
2.Now open it and locate that apk file and click to save option.
3.Finally again try to install the same whatsapp file.
4.The problem is solved.