Well it was build on top of normal Linux tool chain instead of Java, but it was really easy to use, responsive and had all the smart phone features of that day.

Well it was build on top of normal Linux tool chain instead of Java, but it was really easy to use, responsive and had all the smart phone features of that day. Much better than Android 2.2 which was the hot thing then. Quite close to iPhone in terms of responsiveness and ease of use.