Yes, you can play 101 Okey right in your web browser at Game Finale without downloading anything.

Open the site, sign in, and join a 101 table against real players or smart bots. The browser version works on desktop and mobile, and your chips and stats sync across devices. An Android app is available on Google Play, with iOS on the way. Everything uses virtual chips with no cash value, so it is free to play and not gambling. It is an easy way to try the 101-point opening format.