Update README for supported platforms (#312)

README.md

@@ -1,7 +1,6 @@
 ## What is Nebula?
 Nebula is a scalable overlay networking tool with a focus on performance, simplicity and security.
-It lets you seamlessly connect computers anywhere in the world. Nebula is portable, and runs on Linux, OSX, and Windows.
-(Also: keep this quiet, but we have an early prototype running on iOS).
+It lets you seamlessly connect computers anywhere in the world. Nebula is portable, and runs on Linux, OSX, Windows, iOS, and Android.
 It can be used to connect a small number of computers, but is also able to connect tens of thousands of computers.
 
 Nebula incorporates a number of existing concepts like encryption, security groups, certificates,
@@ -13,6 +12,22 @@ You can read more about Nebula [here](https://medium.com/p/884110a5579).
 
 You can also join the NebulaOSS Slack group [here](https://join.slack.com/t/nebulaoss/shared_invite/enQtOTA5MDI4NDg3MTg4LTkwY2EwNTI4NzQyMzc0M2ZlODBjNWI3NTY1MzhiOThiMmZlZjVkMTI0NGY4YTMyNjUwMWEyNzNkZTJmYzQxOGU)
 
+## Supported Platforms
+
+#### Desktop and Server
+
+Check the [releases](https://github.com/slackhq/nebula/releases/latest) page for downloads
+
+- Linux - 64 and 32 bit, arm, and others 
+- Windows
+- MacOS
+- Freebsd
+
+#### Mobile
+
+- [iOS](https://apps.apple.com/us/app/mobile-nebula/id1509587936?itsct=apps_box&itscg=30200)
+- [Android](https://play.google.com/store/apps/details?id=net.defined.mobile_nebula&pcampaignid=pcampaignidMKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1)
+
 ## Technical Overview
 
 Nebula is a mutually authenticated peer-to-peer software defined network based on the [Noise Protocol Framework](https://noiseprotocol.org/).