Do not promote "x" apps on koler

[aluyama]

Checklist

• [x] I am using the latest version - x.xx.x
• [x] I checked, but didn't find any duplicates (open OR closed) of this issue in the repo.
• [x] This issue contains only one bug. I will open one issue for every bug report I want to file.

Expected behavior

E.g. If whatsapp doesn't exist on the system, Do not show open in whatsapp option