Information on the early and later prototype builds of Android is scarce and largely undocumented. As prototypes, these versions were likely incomplete and may have differed significantly from any potential final release.  Gameplay mechanics, graphics, and overall design would have been in various stages of development. Without more information on the content and developer, it's difficult to speculate further. The significance lies in tracing the evolution of a game from its initial conceptualization to a more refined state.  Prototypes offer insights into a game's design process. 

Android (prototype, early build)

Amidar (version)