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Two-Player Pong is a modern, remake of the classic Pong arcade game designed for local multiplayer.
Originally by bocaletto-luca · GPL-3.0 licence · source
Yes. Pong Two Player is free to play in your browser, with no account, no download and no payment.
Yes. It runs in a phone browser, and the on-screen pad and swipe controls send the same keys as a keyboard.