This term refers to the action of acquiring, for the Android operating system, a specific application used for accessing and reading digital comic books originating from Japan. It typically involves obtaining the installation file from a source outside of the official Google Play Store.
The process allows users to potentially gain access to a wider range of titles, or earlier releases, than might be available through standard channels. Historically, this method of acquisition has been driven by a desire for content not readily accessible through official app stores, or by limitations imposed by regional restrictions or pricing models.