Decided to mod up MIUI's standalone launcher for my own use - turned out better than I expected, so decided to share in current state 
Update to 1.13.1
Update to 1.12.1
Notes:
If "Locked Out"....
toggle power button on xoom, and you should now have a force close and ability to hit home key to go to stock launcher temporarily.
Otherwise seems fully functional and smooth - enjoy!
Update to 1.13.1
- See here for change log from MIUI
- Version 1.9.1 still available below - Use this version to change homescreen grid size - MIUI removed from later versions (options are 6x6, 7x5, 8x5, 8x6). Install latest over the top will retain your selection. Default grid size on fresh install is 6x5.
- Restored slightly upscaled icons (9%) - seems to maintain quality with a better size
- Default of 6x5 added, as folder's presume this layout, and the 8x5 from my 1.12.1.mod seemed cramped - also fixed label placement under icon in folders
- There has been hundreds of downloads - feel free to hit thanks
Update to 1.12.1
- Restored icons to stock size (15% smaller) - should improve visual appearance. Suggest googling "HD miui icon themes" if you want a bigger icon set. Otherwise if too small let me know via post - democracy wins
- Improve power usage in android 4.1+
- Fix wallpaper setting bug
- Fix launcher FC on android 4.2
Notes:
- Fully landscape enabled (all screens) - dpi of icons changed to suit Xoom
- Have included several icon layout options in Laucher Settings > Cell Layout - Default is 7x5
- MIUI Wallpaper selector for static walls doesn't seem to work 100% of the time (LWP fine). Use Zedge or Gallery or similar to apply static wallpapers.
- "Edit Widgets" method works fine, but deleting a homescreen can take several attempts (use Menu>Preview instead to add delete home pages)
- "Class" Transistion Effect works the best - others can cause odd screen artifacts
- Given this is forced to Landscape, don't use the inbuilt MiLocker lockscreen - wont look right!
- Applying a new theme in vers 1.7.0 can re-enable lockscreen - which can cause a problem if the lockscreen type doesn't allow you to unlock in landscape (found out the hardway!). Will see if I can disable miui lockscreen from starting. If that happens, hopefully you have usb-debugging enabled, and you have root - just;
If "Locked Out"....
Code:
adb shell
ls /data/app/com.miui* (to get package name)
mv /data/app/packname_from_above.apk /data/app/tmp.tmp
Code:
mv /data/app/tmp.tmp /data/app/packname_from_above.apk
Otherwise seems fully functional and smooth - enjoy!
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