"No. This is a hack on iDroneCtrl to enable it connects to a simple Bluetooth serial module. This module can be found everywhere. If you need a device, just buy from http://www.fightingwalrus.com/, and you do not need my software/hack."
"I use their app on my iPad 2, by patching the app to allow connecting my HC-06 bluetooth serial module. I am a Bluetooth developer for jailbreak iOS devices. I fixed their China map offsets in their app, added voice for msg like "PreArm: Need 3D Fix""
"I think the interference will not cause any noticeable effect to your RC if the quad is not far enough from the tx. RC will basically do some kind of checksum and drop the bad packets. I guess the interference will cause packet errors and reduce the…"
"@Bill Bonney What about legacy Bluetooth? I mean Bluetooth 2.1. I can enable this with jailbreak.For example, create a tweak to forward tcp connection to a RFCOMM connection. Then Tower app just have to support tcp connections."
"It's bug in apm.
When the copter is start to land, it still process roll/pitch commands from rc receiver.
A simple workaround could be setting your rx to send roll and pitch as 1500 when in fail safe."