Haven't you rooted your phone yet?

The best idea for you is to root your android. If you root you can :
1. Move any app to SD
2. Install custom roms
3. Speed up speed
4. Save battery charge for long time.
5. Support live wallpaper in phones which don't support it.
6. Change boot screen
7 change most main features of android like notification bar, app drawyer etc
8. Install games and apps that your phone doesn't support
9. Remove ads of apps and games
10. Control apps whether to use connection so that you can improve internet speed
11. Backup apps

And many more

The only negative is that it will ruin warranty.

But there are ways to unroot your android.