У вашего броузера проблема в совместимости с HTML5
Cabal M
How to download..
1. Download Dropbox on Google Play
2. Click this link https://www.dropbox.com/s/nhmes0feg7m8prt/%EC%B9%B4%EB%B0%9C.%EB%AA%A8%EB%B0%94%EC%9D%BC.v.1.0.1.b.42.resigned.apk?dl=0
3.Click Get App and open with Dropbox
4.Click Open then Click Yes
5.Wait to fully download then click allow
6.Click install
7.Open it and click Allow
8.Click the Blue Button to download
wait for it to download and extract files completely.
Hope this helps and thanks for watching!