Add codes for players to save their data – METAL SLUG DEFENSE Review

Developers can you please add codes for us so when ever we got a new device or play metal slug defense in another a device can you please add data codes for us for example 1457MT that's a example for players out there wo lost their data on the game and have to do everything again please add this feature so people won't lose their data.
Review by Emmanuel Ragudo on METAL SLUG DEFENSE.