<div class="gmail_quote">On Thu, May 19, 2011 at 8:32 PM, <<a href="mailto:calcpage@aol.com">calcpage@aol.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> I'm wondering if anyone on this list is using appinventor? I am following the tutorial. I'm up to the point where I have to fire up the "blocks editor" and droid emulator. This requires running a *.jpnl file in your browser. However, whenever I try to run the file it just downloads and does not run. Is there some way around this? </blockquote></div>Just tried this out and it works ok. The instructions say to test your browser and Java implementation by launching the notepad.jpnl file. If Java is implemented correctly, you should see (as I did) a notepad app. It would seem that the Java launcher you need is not installed. I think (iirc) the instructions for setting this up are on the appinventor test pages. hth Jack