To play videos on Android devices use "RTSP" and the url format is
rtsp://wowzaserveripaddress:1935/applicationname/mp4:directoryname/videofilename.mp4
or
rtsp://wowzaserveripaddress:1935/applicationname/mp4:videofilename.mp4
For Example
rtsp://192.168.1.11:1935/vod/mp4:sample.mp4
Ensure that your wowza server is running before your testing
Try this in your native android player or MXPlayer