All release details can be found on this website:
https://sites.google.com/view/ultireleasenotesen
The game contains English and Hungarian languages.
Ulti is one of the most popular card game in Hungary which requires logical thinking and luck has less role compared to other card games. It is played by the so called Tell cards containing 4 suits (Hearts, Acorns, Leaves and Bells). The applications contains a detailed description about the rules.
Check out the whole ulti rules playlist here: https://www.youtube.com/watch?v=J11itJ71gDo&list=PLixz9mBZEs3c4eoeiVR39uROej8dXuPPq
I hope you will enjoy playing Ulti and good luck!