Conversion of apk files to obb file format

You cannot actually do direct apk to obb conversion but you can use Android Studio the generate .obb file for a specific .apk package to fit in the 50 mb limit of Google Market. Once you have the .obb file you need to place it obb folder for the specific app / game. Something gamers often need when they are trying to install android games with obb files.

Open APK file    Open OBB file