How do u back up a private app to make it compatible with the nexus7?

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i read the thread about how to install incompatible apps by doing backups of them on astro viewer and that worked great for amazing alex and others but one game says private. So i cant back it up with astro viewer as i cant check it off to back up as its marked private.
i bought this game with my credit and installed it on my phone thinking i could back it up?
https://play.google.com/store/apps/d...bWVzLmNzdHciXQ..
Any ideas how to get it on my Nexus as its incompatible for the nexus 7????

Could i transfer My titanium backup from my phone to nexus and restore it that way??

You could try. Titanium is how I transfer my games+progress from my GNex to my N7.

Sent from my Nexus 7 using Tapatalk 2

anyone?? i really wanna play this on my nexus 7.

you need root on whatever device you do have the game on. either using titanium or mybackup root back-up the game. in the file explorer find the apk for the game and send it to yourself via email or something. OR the easiest way I found is getting something like airdroid, going through the file browser, finding the apk then downloading it. once its a file, its your job to get it onto the nexus. with airdroid you could also upload the file and install the app.

it was under data/private, then i just sent it to me by mail! because it was private it was harder to find. ty