.RKP File Extension
What is an RKP file?
Game developed for a Rockchip portable MP4 player, such as the Rockchip 2606 or 2608; can only be played on a Rockchip player if the correct firmware is installed.
In order to load and play an RKP game, the RKP file must be located in the GAME folder on the Rockchip device. If there is no folder named "GAME," you can create the folder, then transfer the RKP file(s) to the GAME folder.