Company Ringo Project created these great apps:
Tokyo Clock, Fukushima, EnglishWords200, QiblaLine, TokyoNavi, Memorial for Mar 11, KyotoNavi, MultiColorClock, SketchClock, CarrierBird, HaikuClock, YokohamaNavi, LifeCalcEx, AirGolf, UpDownTimer, AirBaseBall, AiPingPong, CelestaPiano, NanoPiano, CosmoClock, WeightMemo, NewYorkNavi, TokyoNavit, 大阪ナビ, IllusionX, AirNinja, and others..