I was playing minecraft yesterday with no problems.
Cool Tip: Alternatively, if you want to open any link on your currently active browser window, just place the cursor over the link and then press and hold the button.
for example, i would try to to get a lava bucket, but to do that i would need to move the cursor ALL TEH WAY to the other side of the screen until the lava bucket was highlighted.
Another problem was that when ever i would try to access i crafting table, the game would freeze.
So in order to help you get the most out of your PS3 web browser, here are some really cool tips that will vastly improve your browsing experience on it.
Open the web browser on your PS3 by heading to on the XMB and then scrolling down until you find the browser.