Explains how you can enable logs and send me a feedback

Why does CoSy not use the default facebook login?

App is not working and shows errors - why?

This should be enabled if you want to change phones

Why does CoSy not exist for network X?

Import does not work

Explains how you can import your facebook friends into CoSy

The In-App payment is not recognised

Explains the general logic of this app (how do I use this app?)

Why are not all my friends imported?

Why do not all facebook friends have images?

Explains how you can sync with nearly anyones profile image

Explains how to disable the sync for some contacts again