Guitar Tuning Helper, developed by Tagoror Networks, is an interactive and multi-touch application for tuning your guitar by ear. This free Android application is perfect for both beginners and experienced guitar players who want to tune their guitar quickly and easily in standard tuning.

The application features a simple and intuitive interface that makes it easy to use. Guitar Tuning Helper uses multi-touch support, which means that you can tune each string of your guitar individually by tapping on the corresponding string on the screen. The application also provides a visual representation of the tuning process, which helps you to see how close you are to the correct pitch.

Overall, Guitar Tuning Helper is a great tool for anyone who wants to tune their guitar by ear. It's easy to use, free, and provides a visual representation of the tuning process. If you're looking for a guitar tuner for your Android smartphone or tablet, Guitar Tuning Helper is definitely worth checking out.