: The original J2ME version (240x320) contained an "SMS Bonus" feature. By sending a specific SMS message to the developer (HeroCraft), players could unlock topless character sprites for the heroines.

It's essential to approach this topic with sensitivity and respect, acknowledging both the creative and cultural value of Postal Babes and the potential concerns surrounding their depiction.

primarily points toward the legacy of early mobile gaming, specifically the 2009 release Postal Babes

The 240x320 resolution refers to a common screen size for older mobile phones and some early smartphones. During this era, many fans of Postal Babes and similar anime-style content accessed and shared images and information through mobile devices.