I am running CM 10.1 on a 2010-11 device, but that is not at all what I am talking about. The question is, is Android 4.2 even a viable for truly low-end hardware intended to be sold unlocked in emerging markets? Google has said they intend for Android to power such devices, presumably they don't mean Android 2.3 when they say that, so then they ought to make a "lighter" Android build suitable for devices with low memory/graphics capabilities.
As a side note, I am feeling like the performance of this Nexus S has improved since I/O. Perhaps it's the new low-power location services modes?
Sent from my Nexus S 4G using Tapatalk 4 Beta
Google's statement on the subject is similar to that of what Apple and Microsoft did to their mobile platforms. (older iOS devices get the latest OS versions, but some functionality is not available. Older WP devices get WP7.8, basically WP8 without the hardware-dependent features.) The only thing that will interfere with their efforts are OEM's, since most are focused on their own ambitions and are likely to turn a blind eye to low-end hardware. In fact, Android is king when it comes to flagship phones, but the low-end offerings make WP7 phones look like high-end handsets.
Anyway, back to the point. Jelly Bean 4.2
MAY run on older hardware, but it'll need highly-specialized code to optimize system processes and keep them under hardware limits, as well as a highly-optimized version of Project Butter code. Just slapping 4.2 on a low-end android handset with only a 1Ghz CPU and 512MB of RAM is
NOT going to produce a desirable result.