Hey Melo,
My day is going well so far, thank you! Hope you have a nice weekend too o/
Yep, it is the full game, like you would get on PC, just a different file size due to the port. You are also correct! Just download the Launcher and .rpa game pack. Run the launcher and follow the on screen instructions. (We have a visual step by step here: https://rift.ink/3PADL3p )
Hope this helps o/