What is the Cat Stickers Free application, how does it work?

According to the introduction of peso.apps.pub.arts, Cat Stickers Free is a Entertainment app on the Android platform. There is currently a 2.1.29 version released on Feb 20, 2020, you can see the details below.

This app includes a lot of cat stickers.
You could send them to SNS and other message services.
New stickers are available from GACHA, a capsule toy.