Polarr is a photography application and should be discoverable under the Graphics and Photography categories of the Ubuntu Software Store. I can find Polarr in Ubuntu Software by directly searching for “polarr”, but Polarr does not show up under the Photography category. I’ve looked through the Snapcraft dashboard (https://dashboard.snapcraft.io/snaps/polarr/update/?step=discovery) for an option to select categories, but I did not see one.
I use electron-builder and have set the category to “Photography” in my package.json file:
"build": {
"appId": "co.polarr.photoeditor",
"linux": {
"icon": "icon",
"synopsis": "Powerful and easy-to-use photo editor.",
"description": "Used by the world's most professional portrait and landscape photographers, Polarr offers advanced auto-enhance tools and sophisticated filters to edit every detail of your photo.",
"category": "Photography",
"target": [
"snap"
]
},
"appImage": {},
"snap": {
"confinement": "strict",
"summary": "Powerful and easy-to-use photo editor.",
"grade": "stable",
"stagePackages": [
"default",
"libcanberra-gtk-module",
"libgail-3-0",
"libatk1.0-0",
"unity-gtk-module-common",
"libvips42",
"libgl1-mesa-glx"
],
"plugs": [
"home",
"x11",
"unity7",
"browser-support",
"network",
"gsettings",
"pulseaudio",
"opengl"
]
}
},
Categories in the Ubuntu 16.04 Software Store are completely broken and I’ve filed a separate bug report for that: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1741588
