I am having a very weird problem: a very simple HTML5 file, with a single tag, that works just fine on every other browser and webview of all handsets, except for the Sony Xperia cellphone and tablets.
There is no error messages (apparently), it just shows the play button but then nothing happens. If I get the same html file and run on other device, it works.
The webview is configured with the usual suspects: plugins enabled, javascript enabled etc..