The Physics - Principles With Applications Book, developed by RK Technologies for Android, is a free educational program that aims to provide students with a comprehensive understanding of the fundamental concepts of physics. The program covers all aspects of physics, from mechanics to modern physics, and also highlights the practical applications of physics in everyday lives and future professions.

The program includes several features such as MisConceptual Questions (MCQs) at the end of each chapter, Search and Learn Problems that encourage students to reread the text, and Chapter-Opening Questions (COQ) that stimulate preconceived notions. The program also has a digital aspect and explains the basis of digital in bits and bytes, how analog gets transformed into digital, sampling rate, bit depth, quantization error, compression, noise, and much more.

The Physics - Principles With Applications Book has new topics, new applications, and principal revisions, including improved graphical analysis of linear motion, the Moon's orbit around the Earth, and much more. Additionally, the program has a shorter explanation than other complete full-service books at this level, making it easier to understand and more likely to be read. With generous help from top experts in the field, readers have the latest results of the cosmological revolution at their fingertips.