Tyva Thanal is a keyboard layout for the AnySoftKeyboard app on Android. It includes two layouts, one with three rows and the other with four. However, it only works when used in conjunction with AnySoftKeyboard. The installation process is simple; first, install AnySoftKeyboard, then install Tyva Thanal. After installation, go to Settings, Language & input, AnySoftKeyboard, and select the Tyva layout.

In the layout "Tyva (3 odurug)," additional letters are typed by long pressing the corresponding Russian letter. For example, when you long press the letter 'o', you will get the letter 'ө'. Tyva Thanal is a useful addition for those who need to type in the Tyva language, and the installation process is straightforward.