If smartphones are good for anything, it's wasting time. Whether you're waiting in line at the doctor's office or avoiding an awkward situation on public transit, it's always a good idea to have a few mind-numbing and entertaining apps loaded up on your Android device.

Check out these 5 apps that are guaranteed to cure your boredom (all of which are available on the Android Market):

By now you've probably heard of foursquare, the newest wave in social networking that uses geolocation to track and reward users for "checking in" to restaurants, bars, and other venues. In fact, you might be one of the millions people who use it on a regular basis.

Google recently unveiled its latest attempt to open up the Web to everyone: It's App Inventor, a visual app creator that lets anyone, regardless of programming knowledge, create apps for Google's Android mobile operating system.

It might seem like a great idea at first (now you can take the initiative to create that app you've always wanted), but it begs the question: Will this move ultimately boost or hinder Google's quest for mobile dominance?