在「DIY Smartphone」這邊看到用 Raspberry Pi 做出一台手機：
DIY Smartphone using Raspberry Pi A+ Pi, Camera, PiTFT, and Adafruit FONA with custom mobile OS.
然後 FAQ 的部份 XDDD
The thing is a inch thick! Why would you build something so useless when you can buy a cheap phone for less that can do much much more?