Pros:

1. It is a free and open application for all users.
2. It has a straight forward installation process
3. It is suitable for both kids and adults to enjoy. Though it has an age limit recommendation of over 13.
4. It has many in-app purchase functions
5. It has well written out guide for parents and guardians
6. It has a chatting feature which makes it more fun.
7. It has an in-app contact and support feature.

Cons:

1. It could be addictive for kids with the extra chat feature
2. Parents will have to monitor their child over in-app purchases
3. Payment for in-app features may expose user's credentials