The Tanbihun Tan Keno Ora application is a digital version of the book Ri'ayatul Himmah volume I by KH Ahmad Rifa'i - Kalisalak Limpung, Batang Regency, Central Java.

This book is in Javanese language and is written in Arabic Pegon script. Discusses the procedures for praying and related worship such as purification, ablution, tayammum, removing uncleanness, congregation, Friday prayers and others.

Starting from the lafadz "Tanbihun tan keno ora wong neja worship, arep mepeki sekeh harmonious and conditional."