Expecting the calm of thinning crowds on the last day of the show, I was surprised to instead brave the hordes at Google's MWC booth.
Wait in line for a ride down Google's two-story booth slide, smile at the end of the chute, and pick up your photo and a coveted pin.
A Google booth worker explains how this attendee can get her first pin.
Gathering or trading for all 86 pins was many attendees' ultimate goal, like this guy, who turned down trade offers in his quest to fill out his collection.
It was only a matter of time before Google made good on Android's role as an ice-cream man.
...unwrapping Ice Cream Sandwich.
Giant robots are for more than just show. This one picks up tiny "gems" and glues them to a plastic Galaxy Nexus case. If you win the drawing, you can take one home.
Why erect a camera stand when you can affix one to a plastic Android?
A tablet controls the claw arm that grasps for Android plush dolls. The word on the street is that the tablet ratchets up the difficulty.
A conveyor belt hugging a large swath of the booth puts a history of Android smartphones on display.
Google commissioned a third-party company to create a tactile interactive wall using Ice Cream Sandwich as a starting inspiration.
They may wear suits, but Android fans weren't shy about sharing their inner childhood glee.
When the ice cream sandwiches weren't around, Google employees served an array of sweets and drinks to tired convention goers.
A woman enters a slide from the second floor of Google's booth. A popular fixture at last year's booth, it made a return for this year's Mobile World Congress.
Want to see the future of car technology?
Brian Cooley found it for you at CES 2017 in Las Vegas and the North American International Auto Show in Detroit.