This application is good for meditation, concentrate and focus on mahamrityunjaya mantra.
The maha mrityunjaya mantra also called the Tryambakam Mantra, is a verse of the Rigveda.
The mantra reads
aum tryambakaṃ yajāmahe sugandhiṃ puṣṭi-vardhanam
urvārukam iva bandhanān mṛtyor mukṣīya māmṛtāt
This great mantra dedicated to Rudra as Mrityunjaya is found in the Rig Veda. It is called the Maha Mrityunjaya mantra, the Great Death-Conquering mantra.
The Maha Mrityunjaya mantra is hailed by the sages as the heart of the Veda. Along with the gayatri mantra it holds the highest place among the many mantras used for contemplation and meditation.