Now that Android 4.2.2 Jelly Bean has been digested by the devel-o-sphere, updates for individual smartphone models have begun to roll out. This week we've seen downloads and OS ROMs for the HTC One X, Samsung Galaxy S3, and even the not-yet-shipping Samsung Galaxy S4. So what's all the fuss about? Well, Android 4.2 Jelly Bean, released in November, is the most ambitious and feature-rich version yet, and is chock-full of mouth-watering goodness for developers, VARs and other solution providers. Here's a taste of the top 10 toothsome tidbits for app-builders to sink their teeth into.