I4C Flatpak Repository
Signed builds of I4C Studio desktop apps. Add the remote once — updates arrive with flatpak update like everywhere else.
Add the repository
flatpak remote-add --user --if-not-exists i4c https://flatpak.i4c.studio/index.flatpakrepo
Apps
ProtonShift io.github.i4ctime.protonshift
Configure Proton, gamescope, MangoHud and your Steam library — desktop and Steam Deck.
flatpak install i4c io.github.i4ctime.protonshift
Trust
Every build is compiled from a pinned, tagged commit of the public source
repository by GitHub Actions
and GPG-signed. The .flatpakrepo file carries the public key.