One of the best features of EmuELEC 4.5 is the "Toothpick method" for booting. You can keep Android TV on the internal eMMC for Netflix/YouTube and run EmuELEC off a MicroSD card. When you want to switch back, a simple reboot without the SD card reverts to Android.
EmuELEC 4.5 v7 is a community-driven, Linux-based retro gaming distribution tailored for single-board computers and TV-stick devices (primarily Amlogic SoCs). It bundles a lightweight media/console front-end (EmulationStation / ES), RetroArch cores, standalone emulators, and a streamlined Linux environment to boot directly into a retro arcade/console experience. emuelec 4.5 v7
: Includes WIP versions of Mupen64plus (N64), Duckstation (PS1), Yabasanshiro (Sega Saturn), and fbneo. One of the best features of EmuELEC 4