WTK 2.3 support 3 APIs
The Security and Trust Services APIs (SATSA, JSR 177) allow MIDlets to communicate with smard cards and perform cryptographic functions.
The Location API (JSR 179) gives MIDlets a way to discover the current location of the device.
The Content Handler API (CHAPI, JSR 211) provides a mechanism for launching MIDlets based on the type of content a device receives.
Not only 3 APIs, WTK have enhancements exist feature, e.g. :
- HTTP authentication
- copy and paste text to and from text fields in the emulator
- Midlet signing tools have been improved
- edit the decsriptor attributes for an existing MIDlet
What's New in the Sun Java Wireless Toolkit 2.3 beta