Share the data for adding missing icons in an icon oack via email (or other protocols like Owncloud, NFC, Bluetooth, IM...). It just collects the app title, package name, activity name and the icon file of the apps your select. By default have set the email address for <a href="https://f-droid.org/packages/org.twelf.cmtheme/">TwelF</a> and <a href="https://f-droid.org/packages/org.tw.onze.cmtheme/">Onze</a> requests, but you can write another one.