Have you looked at: http://www.question2answer.org/addons.php
"There is now a Q2A client for Android, created by NoahY, and an updated Q2A Android client by Arjun Suresh.
Both require the XML-RPC plugin to be installed on the Q2A site you're using."
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.