There are several free video recording apps available for Android that you can use to record high-quality videos. Here are some of the best options:

1. Open Camera: This is a free and open-source camera app for Android that offers a range of features including video recording. It supports manual focus, white balance, exposure, and ISO control, and can record videos in up to 4K resolution.
2. Filmic Pro: Filmic Pro is a professional-grade video recording app for Android that offers a range of advanced features including manual focus, exposure, and color controls. It can record videos in up to 4K resolution and supports frame rates up to 240fps.
3. Google Camera: This is a camera app developed by Google that is available for select Android devices. It offers a range of features including video recording and supports up to 4K resolution.
4. Cinema FV-5: This is a professional video camera app that offers manual controls for focus, exposure, and white balance. It supports up to 4K resolution and can record videos at a range of frame rates.
5. DU Recorder: This is a screen recorder app that can also record video from your device’s camera. It supports up to 1080p resolution and can record audio from your device’s microphone.

These are just a few examples of the many free video recording apps available for Android. When choosing an app, consider the features you need and the quality of the videos you want to record.