GeoStar has been updated on the market to v1.04. (Official website :http://geostar.dontneedcoffee.com )
It's a geography game. There is a lite version and a paid version with more features (4flags questions + Survival Mode). It's available totally or partially in English, French, German, Korean, Japanese, Spanish and Russian.
Here are some printscreens :
For the lite version :