Applications exist that disguise their primary function of secure communication by mimicking the appearance and gameplay of standard mobile games. These applications offer users a method to exchange information discreetly, often employing encryption and steganography to conceal messages within game-like interfaces. One example would be an app that presents itself as a puzzle game, where the successful completion of puzzles unlocks or deciphers hidden messages.
The utilization of these applications stems from a desire for enhanced privacy and security in digital communication. Benefits include circumventing surveillance, protecting sensitive information, and facilitating secure communication in environments where overt messaging could be risky. Historically, methods of concealing messages have evolved from physical techniques like invisible ink to digital approaches that leverage software and algorithms.