The operating system for Droid4X is based on Android 4.2.2 which you can use for almost any app from the immense Android catalogue. This operating system is one of the most widely used operating systems out there, which is why it is familiar to almost all users.
From Droid4X you're now able to record video files of anything happening on the emulator screen, you even have the option to toggle image quality settings anyway you want. One thing though, your video will have a Droid4X watermark.
Another very interesting option is customizing controls. When you run an app you'll be able to create personalized controls simply and intuitively. In less than a minute, you'll have to configure your keyboard or gamepad so that it'll adapt to literally ANY video game on Android.
Droid 4X is an excellent Android emulator, thanks to which you'll be able to enjoy all of the thousands of interesting apps that exist for the most widely used operating system in the world. You'll also be able to download Android apps directly off of the Uptodown website.