Hi guys!. I have a question, i search in the forum and i dont find the real version of android / ios

I have a tablet with Android version 4.1.X, and i play without any trouble.

Today i buy a phone, the Optimus L7 Android Version 4.0.3... And i cant play with this phone.. Someone knows why?

And excuse me for my English, im so bad.

Thx, and have a nice day.