Thanks, eLINK!
Wow, cool. I had never heard about duokan, will read up on it. Adding this to the list of revisions for the next version.
*** DX and K3 tricks change log: planned additions for v.0.9.4
- cropping: suggest freeware programs (thanks TS)
- cropping: paper size is smaller than screen size because of status bar (thanks TS)
- justification and margin hack (thanks DevX)
- mention savory document processor (thanks Little Professor)
- more about the debug menu (thanks Little Professor)
- max number of devices on one Amazon account: 6 (thanks wikipedia)
- discuss possibility of using screenshots to make a backup
- mention alternative duokan's firmware (thanks eLINK on MR)