The official CHD tool ( chdman ) is a command-line utility that is part of the MAME package. It is compiled for Windows, Linux, and macOS. To run it on Android, you need a wrapper or a front-end app that can execute native binaries on your phone’s ARM processor.
: Can compress to CHD, extract from CHD, verify integrity, and merge multiple .bin files.
You're looking for a CHD (Compressed Hard Disk) converter on Android. CHD is a file format used to store hard disk images, often used in emulation and virtualization.