How to control Blue Ball:
Tap the Right arrow icon/Button to move forward
Tap the left arrow icon/Button to move backwards
Tap the jumping/hopping up arrow to jump
Tap the hit button to throw Mushrooms at the enemies and destroy them (one mushroom can destroy one enemy).
Features of blue ball 4:
Hd amazing looking graphics
Optimized so you can play it on your tablet and phone
very entertaining
Free to play (There are no hidden fees or in App-purchase)
Game size is small.