updated README

Author: rossengeorgiev

README.md

@@ -1,8 +1,18 @@
-Habitat Mobile Tracker
-=====================
+# Habitat Mobile Tracker
 
 This is a tracker webpage specifically crafted for use on mobile devices.
 
-[See the design here](https://github.com/rossengeorgiev/habitat-mobile-tracker/blob/master/app-design.png)
+
+## Concept
+
+Author: Daniel Saul @danielsaul
+
+[See concept for phone portrait mode](https://github.com/rossengeorgiev/habitat-mobile-tracker/blob/master/resources/concept-app-portrait.png)  
+[See concept for tablets](https://github.com/rossengeorgiev/habitat-mobile-tracker/blob/master/resources/concept-app-tablet.png)
+
+
+## Currently Supported Devices
+
+iPhone 3G, 3Gs (testbed `test-iphone3g.html`, FF+Chrome)