Please have a look at some of the frontend related works I have been working on in the previous years.
This awesome mobile game I coded with Java for a company called Kuuasema. My work included all the functionality in the game including game mechanics, UI, rendering, physics etc. Please check out a video: https://www.youtube.com/watch?v=Hz5Q9jnuE9Y And here is a review from the game: https://www.pocketgamer.com/party-island-bowling-2-in-1/party-island-bowling-2-in-1/