Bly.ly is an application that lets you create a video with a black background and a white text, using your own photos and a song you like.

This app is a powerful tool to create eye-catching videos with just a few clicks. If you want to create something on your mobile device, just install this application on your phone or tablet, open it, and start designing.

The app will let you add photos, text, and a song to create a video. You can even choose a frame from your own photos and add it to the video. You can even choose a font style and color.

Once you're done designing, you can save the video and share it on social media. The app also lets you create photo slideshows with music. You can choose a photo, add a font style, and color, and create your own video. You can also choose a background and add a text and a song.