A simple tool that allows you to download various game ports that are available for 351Elec, ArkOS, JelOS, RetroOZ, and TheRA for RK3326 based devices and the RG552.. - christianhaitian/PortMaster: A simple tool that allows you to download various game ports that are available for 351Elec, ArkOS, JelOS, RetroOZ, and TheRA for RK3326 based devices and the RG552.. #retro #game #simulator #download #pub