For modern smartphones (Android/iOS), the Java .jar format has been replaced by more flexible formats:
: A legacy site that still hosts articles and stories specifically in .jar and .jad formats for mobile phones, available at CaseClub.ru . skachat knigi java dlia telefona
: An open-source pure Java implementation of J2ME that works on various desktop platforms. Modern Alternatives For modern smartphones (Android/iOS), the Java
: Provides technical resources and some specific J2ME (Java 2 Micro Edition) related books for download at FreeBookCentre . How to Use Java Books on Modern Devices How to Use Java Books on Modern Devices
Because this technology is largely obsolete, most original sites have disappeared, but several digital archives and niche portals still host these files:
: One of the oldest mobile app stores that originally built its reputation on Java content. While it has shifted toward Android, it still maintains a legacy database of Java apps accessible at GetJar .