To record an application video using Tella, first, you need to open the application and select the 'Record' option. This will open up your device's camera. Ensure that you are in a well-lit environment and that your device is stable to avoid shaky footage. You can then start recording your video by pressing the 'Start Recording' button. Speak clearly and directly into the camera, ensuring that your message is concise and to the point. Once you are done, press the 'Stop Recording' button.

The next step is to edit your video. Tella offers a variety of editing tools that you can use to enhance your video. You can trim the video to remove unnecessary parts, add text or graphics, and adjust the audio levels. You can also add filters or effects to make your video more engaging. Take your time to review and edit your video until you are satisfied with the final product.

Finally, you can share your video. Tella allows you to share your video directly from the app to various platforms such as social media, email, or even directly to a specific person. You can also save the video to your device and share it manually. Remember to add a caption or description to your video before sharing it to provide context to your viewers.