A software emulator for emulating a handheld video game platform such as GAME BOY®, GAME BOY COLOR® and/or GAME BOY ADVANCE® on a low-capability target platform (e.g., a seat-back display for airline or train use, a personal digital assistant, a cell phone) uses a number of features and optimizations...http://www.google.es/patents/US8157654?utm_source=gb-gplus-sharePatente US8157654 - Hand-held video game platform emulation