There is not currently an app store tile or widget. Here are the lists of tiles and widgets currently available:
If you would like to potentially see this in a future release, you can create an idea for it here Ideas for Jive. This will allow others to vote up the idea and help it gain visibility. If you do not have access to that space, it can be requested here Are you a customer? Request customer-only access today
Hope this helps.
Thanks, John. Appreciate the reply. I posed another question two days ago - something similar but with more focus on a solution. Perhaps can you take a look at that one as well and get back to me?