TTMIK: Audio is an Android app developed by talktomeinkorean, a popular online platform for learning the Korean language. The app allows users to listen to audio tracks of TTMIK books on their mobile devices with ease.

One of the key features of this app is the ability to repeat or adjust the play speed of certain parts of the audio tracks. This feature helps users to better understand difficult parts of the content. Additionally, users can scan the barcodes of their books and easily add them as shortcuts in the app for quick access.

Overall, TTMIK: Audio is a convenient and user-friendly app for those who want to learn Korean through audio tracks. The app is optimized for the latest versions of Android and is available for free.