This app consists of dasarapada/ದಾಸರ ಪದಗಳು in Kannada from many great personalities like Purandara Dasa, Vyasarayaru, Kanaka Dasa and Vachanagalu/ವಚನಗಳು from Basavanna, Sarvajnana and many more who has taken Kannada literature to great heights.
From wikipedia -
Dasa Sahitya (Kannada: ದಾಸ ಸಾಹಿತ್ಯ) is the literature of bhakti movement composed by devotees in honor of Lord Vishnu or one of his Avatars. Dasa is literally servant in Kannada and sahitya is literature. Haridasas ("servants of God") were preachers of bhakti to Lord Vishnu or one of his avatars. The bhakti literature of these Haridasas is collectively referred to as Dasa Sahitya. It is in the Kannada language. Dasas are Dvaita scholars and poets.