Searching for legacy files can be tricky. Here are the three main reasons users hunt down Lollipop APKs:
Introduced lock screen notifications and "Heads-up" alerts that don't interrupt your current activity. android 5.0 lollipop apk
If you are an app developer, you may need to test your app's compatibility with older API levels. Installing the system apps from Android 5.0 on an emulator allows you to simulate the environment accurately. Searching for legacy files can be tricky