Well, what I'm missing is how to download my app to my tablet. I had thought compile and run (which the app did) would have left the app on the tablet. But it didn't, so how do I download my app so that it and an icon remain on the tablet? 'I'm pretty sure that's my question...'
i guess u find your app in the app overview screen at your device. from there u can drag & drop the icon to any page.
for each app u should set a different package name in the project settings within ide.
This is probably the explanation. Make sure that the package name is unique or the app will be overwritten when you install a different app with the same package name.