There is no "App" to play itch.io games. All itch.io games are delivered as seperate, independent programs.
122 days ago(+1)
There is an itch.io app that you can use to be able to download and update games automatically: https://itch.io/app
There is an itch.io app that you can use to be able to download and update games automatically: https://itch.io/app