Recommendation: Add an input box to the page where I can type in my email and receive a notification when the android app is available. By the time tomorrow comes I won't remember that Bento exists and I really want to try out your product.
Saw it launch at Launch Conference and tried it out. Generous portions, great price, beautiful packaging. This reminds me I need to try it again soon. +1 on web UI.
One of my favorite aspects of Uber is that the tip is factored into the price. Please consider just adding a $1.50-2 surcharge and specifying that the tip is included.
Then again, Taco Cat doesn't require an iPhone to get tacos.