https://t.me/naval_clash_bot
(source: https://github.com/angrycoding/naval_clash_bot/commit/63629988c08a4d5758ee11eccd39ce4c097ee2de)

It's the game called "Naval Clash" (or also known as Sea Battle / Battleship). You can play it with random enemy or you can invite your friend (using the bot) and then play with him.