Backing Track Portal is an Android app designed for guitarists who need backing tracks to play along with. Developed by 6Lines, this app is a great resource for guitarists of all levels. With a vast collection of backing tracks, the app allows you to filter tracks by key, scale, and genre, making it easy to find the perfect track for your needs.

One of the best features of the app is the quick search and auto playback function. You can easily find a track and start playing along within seconds. The app also allows you to add your favorite songs from YouTube to the collection.

The K-Pop special section is an added bonus, providing music videos, guitar, bass, drum covers, and tutorials of famous K-Pop songs. And, with the upcoming features of learning guitar riffs and licks, and how to play famous song's soloing, this app is a must-have for any guitarist looking to improve their skills.

Overall, Backing Track Portal is an excellent app that offers a wide range of features and a vast collection of backing tracks. It's easy to use, and the upcoming features make it even more exciting. If you're a guitarist, this app is definitely worth checking out.