We are working on a way to bring dat to regular browsers as well - but it's hard, because browsers are very hostile towards peer to peer and are inherently client-server.
Maybe this will be ready before the end of the year, but until then "pear runtime" is your best bet.
Good thing:
it allows you to build a p2p web using the web stack and release it for iOS, android, linux, windows and MacOS 馃檪
It is plenty to take in, because dat is highly modular and it always has been