Take a look at the the RPG (role playing game) Spellsword for Apple’s iOS. The game is fast action and fast moving.
Your aim in the game is to survive using your one and only sword. Racing through the game you pick up additional cards which gives your sword additional functions.
The great thing about this game is that there are no in-app purchases so the game is played on your skill alone and not any ‘cheat buy-in’ facilities.
Take a look at the game in action. At the time of writing the game is available for $0.99