A free program for Android, by NFCStudio.

If you are someone who is currently looking for an application that allows you to play on your free time, then you should consider downloading this application called Slither Worm IO: Nebula. Slither Worm IO: Nebula allows you to play and select and customize your worm character. Moreover, it has awesome features included like no lagging, seamless touch controls, and more. Lastly, you don’t have to worry about anything else because this is designed for free. This does not allow you to pay for any monthly subscriptions. Now, you can introduce and play this game with your friends.