Best Free Iphone Games/Apps?

Any cool games or useful and cool apps on an iPhone that are free?

Phoenix HD
Robot Wants a Kitty
Random Heroes 1/2
Solomon's Boneyard/Keep
Crush! (Radiangames)
Deep Loot
Abyss Attack

Try this: http://m.techradar.com/news/phone-and-communications/mobile-phones/60-best-free-iphone-games-on-the-planet-669893
A personal favourite of mine on iOS is Storm the train.