To help make your next trip to Las Vegas a winner, I tested iPhone apps (they also work on iPod Touch and iPad) that you can use to book a room, sharpen your card skills or even say, "I do." Many have an Android version that works on multiple platforms, including phones and tablets from Motorola, Samsung and Nokia.
Las Vegas Reality
Pros: An augmented reality app uses your phone's camera and GPS to navigate the Strip. If you're not in Vegas, it offers a virtual tour — which placed the Mandalay Bay near my sofa and landed the Tropicana on my cat.
Cons: The airport and convention center are the only...