The Kingdom Hearts: Missing Link closed beta test will appear sometime in Fall 2022.
Kingdom Hearts: Missing Link is in development for Android and iOS devices, with the closed beta test scheduled for Fall 2022.
There will be character customization, similar to Kingdom Hearts Union X. Kingdom Hearts series Director Tetsuya Nomura also spoke briefly on the potential of Disney worlds appearing in Kingdom Hearts: Missing Link.
That said, the interview also disclosed a key staff member that will be working on the narrative of Kingdom Hearts: Missing Link.