He just said - it's a standard video format. Check your browser/settings (DDG is a search engine, not a browser)("browser" = Chrome, Firefox etc). E.g. powerpoints often download instead of opening in browser as default setting, so you may have a default or have turned off autoplay of video or what have you.

Edit - see below - I didn't realize it's an app too.

He just said - it's a standard video format. Check your browser/settings (DDG is a search engine, not a browser)("browser" = Chrome, Firefox etc). E.g. powerpoints often download instead of opening in browser as default setting, so you may have a default or have turned off autoplay of video or what have you.