Try the ACMarket app! It's a free application that gathers various Android APK apps so you can easily find the application you were looking for.

What are the key features of ACMarket?

APK apps library: ACMarket has an extensive library of thousands of unofficial Android apps and tweaks.
No rooting required: Sometimes you need to root your Android device to make some unofficial apps work on it, and with ACMarket you don't need to root your Android.
User-friendly interface: Easy-to-use design of the ACMarket lets you browse apps and find a desired one with ease.

How does ACMarket work?

ACMarket works as an extensive third-party apps library for Android devices. You can search for a particular app in it or browse everything the app has to offer and choose something interesting.