Xabber is available on the Android Play Store and another software repository that contains only apps that are what ?
Xabber Xabber (from XMPP and Jabber) is a XMPP client for the Android Operating System. It is developed as an open source Project on GitHub and is licensed under the GNU/GPL v.3 license. The original developers are from a software company called Redsolution, Inc. Xabber is available on the Android Play Store and on F-Droid.
Nokia X platform The Nokia X platform was a Linux-based mobile operating system and software platform originally developed by Nokia, and subsequently by Microsoft Mobile. Introduced on February 24, 2014, it is forked from Android and used on all the devices of the Nokia X family.