The marriage between hardware and software can then be used by app developers to create all kinds of interesting apps, including those that place 3 - D objects in the real world. (entrepreneur.com)
I also have a few interesting app lists on my Android website to share with you. (lovemyfire.com)
For instance, there are plenty of interesting apps to be sourced from the Good e-Reader App Store as well. (goodereader.com)