After Amazon's success developing an iPad app, they've now tailored apps for Android and Windows tablet platforms, doing the usual: giving access to 775,000 ebooks, which can be bought once and read on various platforms.
Kindle's biggest strength?
The Amazon Kindle isn't exactly what comes to mind when we think of apps, but there are a few available for the device—including a brand new $5 Scrabble app.
Instapaper, a program that lets you mark articles to be sent to your Kindle for later reading, just got a substantial update—and there isn't even a Kindle app store yet!
What does NYC Exit Strategy do that standard subway map apps don't? Tells you precisely which subway car to ride in so you get off exactly where you want to, as close to the right exit as possible.