You want a fun game thats really simple to play try marbelz blast. The concept is simple,addictive,and fun the action is stylus controlled. There are evil beings called Marbelz that you can destroy in 3 ways 1) tapping them with your stylus will make them explode 2) tapping the parachute power-up will create a laser for a short time that destroyes them 3) a rocket comes down and lands transforming to a plane that flys up and destroyes the enemy. The charactor your protecting is a piggybank who runs along bottom of the screen collecting coins to increase your score. The game features 3 modes of play regular, turbo, and expert mode where you have no power-ups.Made by Rogelio Rios and Roy Mcleod. Only 99cents here
http://www.mobihand.com/productMobile.asp?id=60928