iOS-Android Ad-Hoc Networking Notes

http://blog.moritzhaarmann.de/blog/2014/04/27/sorry-state-of-p2p/
The multipeer connectivity framework wraps multiple technologies – WiFi and Bluetooth – and uses whichever is available to establish a connection between devices.

http://stackoverflow.com/questions/23377522/android-to-ios-connect-via-wifi-or-using-multipeer-connectivity-or-using-wifi-di - Multipeer is iOS only, incompatible with android.

http://stackoverflow.com/questions/22764555/multipeer-connectivity-for-android - Says that you can implement iOS-Android P2P with multipeer, answerer is perhaps uninformed?

http://stackoverflow.com/questions/22507710/need-to-implement-bonjour-browser-in-my-unity-app - no answer

http://stackoverflow.com/questions/5318457/android-wifi-direct-multiple-connection-ad-hoc - no answer

http://stackoverflow.com/questions/22766220/mesh-networking-from-ios-to-android - links to the OpenGarden SDK (http://opengarden.com/sdk). Looks perfect, but is not actually currently available to the public.

http://stackoverflow.com/questions/17502818/android-ios-peer-to-peer-architecture - no answer was found.

http://stackoverflow.com/questions/2080644/is-it-possible-in-principle-for-an-android-device-to-interface-with-an-iphone - Says Android - iPhone communication is impossible, but evidence shows the contrary.

Firechat: http://techcrunch.com/2014/06/24/firechat-enables-cross-platform-off-the-grid-chat-between-ios-and-android/
Developers say it "uses peer-to-peer Wi-Fi and the Bluetooth personal area network", but refuse to get into any more specifics

Spaceteam also allows ad-hoc networking between iOS and Android devices.
http://stackoverflow.com/questions/14970637/how-does-spaceteam-work Doesn't explain how spaceteam does cross-platform; the answer only talks about iOS

jmDNS and Mono.Zeroconf supposedly require implementation per platform: http://forums.xamarin.com/discussion/17015/cross-platform-zeroconf

http://zeroconf.codeplex.com/ Last updated 2011, doesn't seem to work.

https://www.alljoyn.org/ Alljoyn: also shows that iOS-Android is possible, although it doesn't work with a single codebase.