Cryptonit now has the dedicated support team, which quickly assists users via tickets, e-mail, phone concerning all the possible inquiries.
Concerning authenticator in this case we suggest to stick to
https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2Last but not the least, Cryptonit now has the official announcement thread, so it's better to address all your questions there, not to create multiple threads. Cryptonit.net official thread:
https://bitcointalk.org/index.php?topic=735931.0Kind regards