I own a 16GB SD and a 4GB SD. I want to have reserved the 4GB for apps (Colors! 3D, Inchworm, Rhythm Core Alpha, and maybe more) and the 16GB one, with games and custom firmware. Can I do that? More exactly: -16GB for Legit Cias, Unlegit Cias, Firmware that allows me to re play my R4, and Homebrew Launcher etc. -4GB Nothing else but the apps and Homebrew Launcher.