Eu trabalhei: D
No terminal
gedit ~/.local/share/applications/<Your App Name>.desktop
No gedit
Aqui você deve editar: Observe que os comentários abaixo são os melhores palpites, sinta-se à vontade para me corrigir
[Desktop Entry]
Version=1.0 #not sure what this does
Name=My Awesome App #Obviously the application name
GenericName=Awesome App #Difference between this and Name?
Comment=This app is awesome! #The tooltip
Exec=/path/to/sh/file/file.sh #The command you want to execute
Terminal=false #Should the app run in terminal
Icon=/opt/PhpStorm-103.243/bin/webide.png #The pretty picture :D
Type=Application #Um?
Categories=Network;WebBrowser; #Categoies the app should be in
MimeType=text/html; #Mime types the launcher can open
Name[en_NZ]=My Awesome App #Localized version of above info
GenericName[en_NZ]=Awesome App #Localized version of above info
Comment[en_NZ]=This app is awesome! #Localized version of above info
Salve o arquivo.
Agora seu aplicativo será exibido nas pesquisas:)