In a small WebView app I wrote, I am able to load YouTube and see the picture the represents a video clip, with the familiar right-pointing arrow that is supposed to start p
The Adobe Flash plugin is available from the Android Market for Android 2.2+ devices.
It may come pre-installed on a few devices, but on most it does not.
Search for "Adobe Flash" in the Android market to download it, then try running your app again.