first, you need to confirm whether the guava App supports the video download function. If Baltar App supports video downloading, there are generally two ways to download it:

Download it within the app. Open the guava App, find the video you want to download, find the corresponding download button on the video playback page, and click it to download.

use third-party tools. Search the mobile App store for video download software. After downloading and installing, use this tool to download by copying the video link address of Bale App.

no matter which method you take, please be sure to abide by relevant laws, regulations and ethical standards, and do not download any content suspected of infringement or violation, so as to avoid unnecessary risks and troubles.