Solebon Solitaire (http://www.solebon.com) has been my favorite game since buying my first HandSpring Visor, a PalmOS device. Another long-time favorite is Shanghai Mahjong Solitaire (http://www.mobileage.com/shanghai/). These games exist on my iPhone, iPad, and MacBook Pro. Simple, elegant, and quick to play when I have a few minutes, these games are…