<iframe SRC='http://desistreams.tv/embed/discovery_science.php' width='600' height='470' marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling='no'></iframe>

wv.getSettings().setJavaScriptEnabled(true);
wv.getSettings().setBuiltInZoomControls(true);
if (Build.VERSION.SDK_INT < 8) {
    wv.getSettings().setPluginsEnabled(true);
} else {
    wv.getSettings().setPluginState(PluginState.ON);
}

Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse(videoPath), "video/mp4");
startActivity(intent);