Sazz is an Android application developed by Belgi Labs that aims to teach users how to play the traditional Turkmen musical instrument, çäksiz saz. The app is free to download and is categorized under Education & Reference.

To use the app, users must activate the çäksiz saz service from their Altyn Asyr (TMCELL) LTE subscription by dialing *0809*2*11*1#. Once activated, users can start playing by dialing *0809*2*11*0#. The service costs 10 manat per month, and additional internet charges may apply.

The app is only available in the Turkmen language and is mainly targeted towards Turkmen music enthusiasts. However, the app can also be downloaded from the developer's website for those who failed to download it from Altyn Asyr. Overall, Sazz is a useful app for those who want to learn how to play the çäksiz saz instrument.