- Deprecated.
- Please do not use this app any longer, unless you have a very specific need.
- If so, please get in touch with  gxworks at mail . de.
- Otherwise, use such apps as deltaChat, SimpleX etc.
- (Why? This app was a proof-of-concept that turned out to be useful ...)
- (... useful - as long as no other similar app provided for those needs)
- (... which is, fortunately, no longer the case)
