Nothing appears when viewing my game on Android?

I have tried the Dropbox public link. I have tried the Quick App.zip tutorial. But both instances leaves me with a black background. None of my images are displayed, just a black background. (Although my background is black), so I'm not sure why nothing is appearing.

I have no audio in the project. And when exporting to HTML5, all settings are left as defaults. Preview from within Construct 2 works, and displays everything fine. I'm trying to display a 1080,1920 project window onto my s6 device which is 1440x2560.

Configuration settings are:

default browser

letterbox scale

high quality scaling

portrait

webgl On

Linear Sampling

Medium Downscaling

Preload sounds Yes

Clear background Yes

What may be the case? Suggestions?

Thank you.

Bump - any ideas?

*Edit. Found a solution. For future reference, use a site called "bitballoon" to upload your HTML5 folder to test your mobile game.