delta updates

ROM Manager
Article

ROM Manager adds delta updates, TWRP recovery support
by Andrew Martonik
Feb 14, 2013
ROM Manager, a staple app used by practically anyone who roots and switches ROMs often, has just added support for both delta (incremental) updates and TWRP recovery. Delta updates (downloads, ...
Google Play
Article

What are delta updates (and why you'll forget about it tomorrow)
by Jerry Hildenbrand
Aug 16, 2012
You're probably seeing a bit of news that the delta updates for Play store applications that Google talked about at I/O 2012 have went live today. Coders, web developers, and Android geeks ...