Monster Girl Makeover & Salon

"Monster Girl Makeover & Salon" is a free-to-play game that lets you transform a monster into a beautified version of itself. The game features a spa section for cleaning up, a makeup section and a dress-up section with various accessories to choose from. It has over 4 million downloads and allows you to create endless combinations of makeup and outfits. Please note that in-app purchases are available in this game which can be disabled in settings.