The Tanhai Shayari app is a collection of poems and sad songs, all of which are about loneliness and the feeling of being alone in the world. These poems are not about being in a relationship, but about being alone and feeling lonely. It is a free app that can be downloaded on Android devices.

The app is designed to be simple to use and to allow users to navigate through the different categories easily. There is an option to set the background of the home screen to a picture of a background, as well as the option to choose the font size and to change the theme of the app. There is also the option to add the poems to the favorites list.