Hello :D
Many thanks for all your feedback! We are indeed working on balancing, it is very important! We are working on a Steam version if you are interested, and we have a discord if you want to join us to playtest the game
Discord: https://discord.gg/U6RTzBbYbZ
Steam: https://store.steampowered.com/app/2673310/Gacha_Fever/
Thank you, it gives us a huge boost to continue !