This builds Stremio as a Flatpak using sources. It only needs org.kde.Platform 5.12 to run.
You can fetch a prebuilt flatpak at https://github.com/p1u3o/com.stremio.Stremio/releases and install using
flatpak install com.stremio.Stremio.flatpak
flatpak-builder --install --install-deps-from=flathub _build com.stremio.Stremio.json --force-clean