wth pubg

This is my favorite mobile game to play. I love how the game plays, the guns and maps are all pretty good, and I love how they've developed the game to offer one you can sit and play for 30 minutes on a huge map, to others various game modes that can be played for less than 10 minutes and it still be competitive and fun. However, there ARE the parts of the game that make no sense to me at all. For example, there is like 4 different in game currencies that I have no idea what they are used for. One is to purchase more clothing for your character, but that currency has to be purchased with your