In Pictures: Google I/O Android Sandbox - Coolest sights and gadgets from the show floor

The Android Developer Sandbox is the place to be if you want to see the hottest Android-based projects. Here's what we liked.

Pebble SmartWatch

You’ve probably already heard about the Pebble SmartWatch, which booked more than 85,000 preorders on Kickstarter in just one month.

The customizable, Bluetooth-enabled watch can connect to both Android phones and the iPhone. It features a 144-by-168 1-bit display, an accelerometer and a Cortex-M3 ARM microprocessor.

Pebble Wednesday announced the availability of its Android SDK so developers can start building apps for the watch.

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