HttpConnection is a request-response protocol. It will help you send and receive data, but not to re-build accessed web page on your device. To build and application that will able to interpret web coding you would have to build mobile web browser such as Opera.
However if you just wish to upload/download or send/receive data from web server, perhaps also link to database, HttpConnection is what you need to use
No, I do not know any resources and you unlikely to find any. As in regarding of parsing html you more then welcome to go through W3C documentation and figure for your self how to developed new mobile browser