Snappy/Flatpak are overly complicated solutions. Easier solution is to distribute using Steam or use an installer (e.g Mojosetup) that will deploy a zip/tar arc

Snappy/Flatpak are overly complicated solutions. Easier solution is to distribute using Steam or use an installer (e.g Mojosetup) that will deploy a zip/tar archive with executable, data, dynamic libraries and necessary desktop entries.