Well how can i record my music if i dont connect the interface to my tablet?
You connect it not to a tablet, but to a computer, and on the computer you run a program called a DAW (Digital Audio Workstation).
Nobody has mentioned DAWs yet.
With such a setup you have multi-track recording. You can record several tracks at once, or add tracks one at a time.
I use the Cubase Elements DAW (~$100), but a very capable free one is Reaper.
It has to be said that the computer must be fast enough. They don't have to be the absolute fastest on the market, but the cheapest entry-level computers are
unlikely to be fast enough. Chrome-Books are no good, you need windows.
I use a quad-core i5 laptop (mid-priced), but have used a fast dual core i3 in the past.
You have not said what sort of computer you have, skorn.
I'd forget about tablets.
If this is beginning to sound expensive to you, there is another route to recording, which is a stand alone hardware recorder. No computer required.
It combines an audio interface, with multi-track recording, in a single piece of hardware.
I have a few, but my cheapest is the Tascam DP008EX, an 8 track recorder which can record 2 tracks at once. (~$250)