You can check into a place nearby and add a description (what are you up to?), add images and tag friends.

Based on the type of establishment, you unlock stickers and gain points according to some other criteria.

More screenshots from‏‏‎ ‎

Swarm by Foursquare

Top Level Tabs
App Store Screenshots
Onboarding
Profile
Onboarding - What's New
Onboarding - Ask Permissions

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Creation

Creating a personal site
Recording Podcast
Set Up Calendar
Create deck