See:
- Root your Phone: https://youtube.com/watch?v=7zJewYuknxA
- If google play didn't work so fix it like this: https://www.quora.com/How-do-I-fix-Googl...g-my-phone
- Install Ubuntu: http://www.ijailbreak.com/how-to/install...axy-s-iii/
* Thankful to Allah *
Kurdy