The following TUNI APP would like to introduce how to tune the ukulele strings with a SmartPhone mobile phone, namely a phone using the Android operating system.
This way you do not need to know anything about music, music notes, music theory, you can adjust the strings. Note that, the phone tuner app captures sound through the air, so it needs a quiet, windy, quieter setting.

* PART 1: DOWNLOAD THE APPLICATION ON YOUR PHONE
Here is the link to download the tuning application for the Android operating system, click on the application name to download:
Application name: GUITAR TUNI - GUITAR TUNER,
GUITAR TUNIO.