Confirmation for Crystal purchases /use
I think you really need to add a screen asking you to confirm when we're about to use any crystals for anything, whether it's refilling,or buying skins
I hsve lost over 150 crystals from accidentally tapping too quickly and refilling a collection run when I opened the screen too quickly. More crystals lost when accidentally opening the mission board and paying to refresh.
I just think it would help save alot of annoyance as I'm never going to get those crystals back now that have just been wasted.
I would contact support but it would be fruitless as I know they won't help