Revolt Of The Binary Couriers is a 2D turn based RPG with no real plot or narrative. You play as a robot and fight random monsters, collect boxes and occasionally encounter NPCs. There is no goal just grinding. Its the sequel to Pineapple Apocalypse RPG (which never made it to GP2X).

http://dl.openhandhelds.org/cgi-bin/gp2x.cgi?0,0,0,0,26,2824