1st who I know the theam of the jam, which YouTube channel comes live on 5th may
While there will probably be an official link at some point before the start, past editions' theme reveal was streamed on Adrian's channel, so it's a good bet that this year's will be too
https://www.youtube.com/@RedefineGamedev/streams
2nd one I make a proper app game Or upload the game on waebsites help me
You make your Godot game, and then you export it for HTML5 and upload it to Itch.io. You can find some tutorials on how to do so in Youtube, both for Godot 3:
And for Godot 4: