Japji Sahib ji, developed by Jagpal Singh, is a comprehensive spiritual guide for practicing Sikhs. It is a Baani composed by Guru Nanak Dev ji, the founder of Sikhism, and appears at the beginning of the Sri Guru Granth Sahib ji. This program is available in Gurmukhi, Hindi, English, and also includes translations in English.

The application highlights each line as the paath is recited and has the functionality of mp3 playback in the background when the user does not want to read the paath. Users can also increase or decrease the font size, set an alarm reminder for the paath, and bookmark the page for future reference.

The Japji Sahib comprises an opening Salok or verse, a set of 38 Pauris or hymns, and a final closing Salok, making it an epitome of the Sikh doctrine. The prayer is a manual for a Sikh to attain spiritual perfection and favors participation in the affairs of the world, combined with an integration of wisdom and selfless activity. The prayer describes the basic concepts of Sikhism, including NaamSimran, Hukam, Creation, and the five planes of spiritual progress.