What is the crowd's opinion of Heart Collage ♥ Body Shapes?

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There's an app that helps you with forming shapes with your body in a grid of pics. It's called Heart Collage: https://play.google.com/store/apps/details?id=com.heartcollageapp.core&referrer=utm_source%3Dblog%26utm_medium%3Dlink%26utm_campaign%3Dsidebar

Edit: For clarity