If you’re looking for a photo app that has comprehensive gallery functionality, fun filters or cloud-based storage, this is not the app for you. But if you want to strap the digital equivalent of a time bomb to every piece of media you send to your friends — we won’t ask why — you’ll be happy to know that you’ll be able to set up Snapchat on iOS or Android nearly as quickly as you can say “selfie.” Here’s how.
1. Install the Snapchat app. Fire up the App Store or Google Play and install it. Kick your feet up while the app transfers over.

