You can gain Star Power (XP is referred to as SP in Crafter Craft) by placing created items into your Home. You can create the items yourself or purchase available items from the Home Decor section of the Shop.
Additionally, you’ll also gain when other players rate your rooms. Therefore, be sure to decorate your Home well in order to receive higher ratings... and more !

One other way to earn   is to take part in Room Challenges!

Earn enough  to fill the SP Meter at the top of the game screen and your Level will increase!