Does Oticon Opn work with Android phones?

Yes it does.  However, only as a remote control.  It will not stream music or phone calls yet.

The current answer is "No" - at least not in the way they are meant to work.  You can't stream audio or answer cell phone calls.  However, you can access the remote app function.  Apparently, this is an Android issue, in that the Android devices are not yet able to access the version of Bluetooth technology used by the Opn devices and Apple iPhones.

Currently, the answer is yes and no!

Using the On app the Opn's can be turned up and down and any additional programs which have been set up for the hearing aids will be accessible.

If the programs have been renamed in the programming software that is how they will appear in the app.

The Opn's are a Made For iPhone (MFI) aid.

iPhone's can use the special low energy version of Bluetooth but Android phones currently can't.

The bridging device that will allow streaming of calls and music has been coming soon for a while!

The latest I heard today was the end of the year.

In my opinion, this is currently the best device on the market.

I agree it works as a remote now.  My understanding is a Bluetooth adaptor will be available in the fall - but I don't know when. 

Here is the Oticon Opn user manual for Android phones.