I've at times wanted to implement tempo changes, but it isn't always the easiest with soundation having a locked tempo, unless there is some secret I don't know about.
Alright, finally getting to this. The beginning actually seems like a nice chord establishment thingy or something. The introduction of the bass also isn't as far off as some of your other tracks have been and seems relatively fine (though still not the best). However, the part that enters at 0:44 does feel unnatural. The drum fill/beat change from the 1:23 is also interesting (and it's when that one part drops out, go away). I feel that sometimes I don't have enough variety of drum work/skill in my songs, so good on that. Also the conclusion, I'm actually impressed you worked in a ritardando.