Included is a compiled GPS Navigation App for Eonon D5153/GM5153 and other Eonon devices that is supports.

Copy folder contents to MicroSD Card Plug into your headunit (stereo) Navigate to the main folder in your navigation settings Select (Primo2.exe) then press your navigation button

let the install do it's thing and enjoy!

I am by no means an expert on GPS apps or maps if you have more current maps or suggestions let me know.