This is a Tarkarov-like Mobile game.
The EXP you get from each match depends on Kill Fireflies, Kill Marauders, Headshot, Items Gathered, Sprinted, Use Items, Medical Recovery and Survival Time.
In my opinion, there are pros and cons to this game supporting cross-platform play on PC and mobile. The good thing is that this is convenient, you can open the game for a round anytime. Even if you don't have a computer, you can still enjoy the game.