Here's how to see the fun surprise hidden in Google's mobile app

There's a fun secret hidden inside Google's mobile app.

A former Google employee recently revealed to us that Google hid an unexpected feature - also known as an Easter egg - inside its main app, and that it's surprisingly easy to find. All you have to do is open the Google app, tap the Google logo, and watch while it transforms into cute, colorful animations.

It looks like there are five different versions of the animations, and we were only able to find this on Google's main app - we couldn't find a similar trick in Maps, Photos, Drive, Mail, Google+, or Chrome.

But if anyone else spots more or knows of similar tricks in other apps, let us know.

Here's what it looks like in action: