Default apps present in Android 5.0 Lollipop can now be downloaded on your Android smartphone thanks to the clever work of developers at the XDA forum. They found a way to extract the Google apps from a Nexus device, and provide them separately for installation.
Some of the apps which are currently available with the new material design include Gmail, Drive, Maps, Camera, Messenger, Keyboard, and more. However, before downloading and installing you, will need to root your device. Also be aware that some of the applications might not work on all devices.
Click this link and carefully follow the instructions on how to download and install or you can choose to wait for the official update that will be available in the coming months, you can click here to check if your device will be among those to receive the 5.0 update.