Unofficial client for the site, can be blocked?

Question

Android

If you post a non-official client for site N, can the administration of that site somehow block it in google play?

Answer 1

https://support.google.com/googleplay/answer/28535...
Item: Copyright or trademark infringement

Answer 2

Are they their own enemies? You help them gain an audience for free)
(they can through a complaint to the Google administration; if they want, they will block it easily)

Answer 3

Look at what copyrights apply to. For example, schedules are not subject to copyright.