I don't think app packaging could be said to be the achilles heel -- how much work it involves depends a lot on the app (some things are very easy, others can be painful), but it is certainly not the case that Sandstorm didn't take off because packaging was too hard.
I don't think app packaging could be said to be the achilles heel -- how much work it involves depends a lot on the app (some things are very easy, others can be painful), but it is certainly not the case that Sandstorm didn't take off because packaging was too hard.