Update README.md

README.md

@@ -1,4 +1,18 @@
 # controller-for-rvr
 Interface to drive the Sphero RVR with a game controller or with the Remo.TV Controller for Android https://github.com/remotv/controller-for-android
 
-Work In Progress
+This app allows control of the Sphero RVR over bluetooth.
+
+This app has 3 modes:
+
+- On screen single joystick for RC mode: up and down controls forward/backward, left and right controls steering of the robot
+
+- Attach any USB or bluetooth gamepad to control the robot. Same controls as single joystick mode. Left joystick up/down controls speed, right joystick left/right controls steering
+
+- Control via Remo.TV (Experimental). This app, paired with Remo.TV Controller for Android allows control of the robot over the internet using a phone as the camera. Info for that app can be found here: https://github.com/remotv/controller-for-android
+
+This app can be compiled from source here, and is licensed under Apache License 2.0
+
+This app does not transmit any data outside of the app, other than to communicate with the robot.
+
+This app was made for the Sphero RVR, which was made by Sphero. Sphero is not overseeing, involved with, or responsible for this activity, product, or service.