Android apps, communicating with a device plugged in the USB port

Question

I\'m thinking about an Android app (with possibly an accompanying physical device), and I\'m trying to figure out whether this is something that\'s feasible.

1) Let\

Answer 1

The world has changed since this question was asked, and the answer is now the Android Open Accessory Development Kit. It won't solve the problem for existing USB devices, but it makes it possible to create new devices that can use an Android device's USB connection.