This app was mentioned in 5 comments, with an average of 1.40 upvotes
What you linked looks like a Galcon clone.
Galcon?
https://play.google.com/store/apps/details?id=com.galcon.igalcon
There is a Galcon 2 as well
https://play.google.com/store/apps/details?id=com.galcon.galcon2
Could have been Galcon.