By using AJAX posts, you can relay information back and forth to a server quite simple.
AJAX posts are like regular form posts.
If you have a php capable webserver with mysql in your homenetwork, then you can use that.
cs2 app makes Ajax post request to a http addres.
web page catches post and relays output as required. (php handles mysql)
cs2 app receives the relay output data and makes it avaible in as AJAX.Lastdata with on ajax request complete.