Using Geyser with Consoles
All consoles can join third-party servers - including Geyser servers - with workarounds. Xbox One and Nintendo Switch systems can join third-party servers using a third-party program called BedrockConnect. For technical information about the program, including how to run your own setup, see their GitHub repository (This program is not affiliated with GeyserMC). On PS4, other methods are available for use.
(Video linked below)
(Video linked below)
Unfortunately at this time, PS4 does not have any external server support. However, there are ways around this by emulating a LAN game on your network.
If you have a PC, you can use Phantom.
If you have an Android device, you have several options:
If you have an iOS 14+ device, you can use BedrockTogether.