The games he wrote were a bluetooth enabled card game and simon says. (check the link) These would use different iOS APIs but are not complex and do not require

The games he wrote were a bluetooth enabled card game and simon says. (check the link) These would use different iOS APIs but are not complex and do not require low-level graphics programming skills. The bluetooth card game is actually a tutorial level kind of thing. Ray Wenderlich and Apple's own docs have a version of it.