At the top bar of the game screen, you can check the Leader, Player level, Name, VIP level, Menu button, your current amount of Gems, the current amount of Coins, and the current Action Points (AP).
Leader - Your Leader is chosen from the list of your currently summoned characters;
Player level - Your current level;
Name - Your in-game name;
VIP level - This shows your current VIP level. Clicking on it will bring you to another screen which will show you the benefits of your VIP level and how much you need to reach the next level. VIP is a perk that adds extra benefits to those making purchases using Nutaku Coins. To obtain VIP experience, you need to purchase packages or gems using Nutaku Gold;
Menu Button - Clicking this brings up a list of settings for the game;
Gems - Gems are the premium currency of the game. You can buy these in the Shop. Clicking the PLUS Icon will bring you to the Shop;
Coins - Coins are the most important currency in this game. You need them for most of the features, involving upgrading the girls. Clicking the PLUS icon will open a screen to purchase more Coins using Gems. The amount of times you can make a purchase is determined by your VIP Level;