Android 4.1 Jelly Bean: faster, smoother, more delightful (ars technica)

Ars technica takes
a look
at Android 4.1 (Jelly Bean). "For developers, the Jelly
Bean SDK will include a new profiling tool, systrace, that provides a clear
visualization of their applications' use of the CPU, GPU, and other system
components, so that bottlenecks can be more readily identified and
resolved." More information can be found in the Jelly
Bean platform highlights