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JSR 82: Bluetooth and OBEX Support
JSR 135: Mobile Media API Support
JSR 177: Smart Card Security (SATSA)
JSR 205: Wireless Messaging API (WMA) Support
JSR 211: Content Handler API (CHAPI)
JSR 226: Scalable 2D Vector Graphics
JSR 238: Mobile Internationalization API (MIA)
JSR 256: Mobile Sensor API Support
The Wireless Universal Resource File (WURFL) is an XML file that acts as a global database of mobile device capabilities. WURFL is an open source project at http://wurfl.sourceforge.net/. The WURFL DB (http://www.wurflpro.com/) is a web-based interface that allows WURFL contributors to add or change device information in the WURFL.
The SDK uses a WURFL module to discover devices based on API support or on physical characteristics such as physical memory size or display size.