Billions of people in developing nations (parts of Africa, India, and Southeast Asia) still use 4G feature phones (like the Nokia 105 or JioPhone). These devices cannot play MP4 or MKV files smoothly, but they natively support 3GP.
The "3gp King" ecosystem thrives in regions with limited internet infrastructure. In these contexts, 3GP serves as a tool for digital democratization Low Bandwidth 3gp king movie verified