[trysomeothertime]

All,

It looks like I have found the unofficial solution to this problem. The Fathom will aggressively shut down apps if the free RAM is below a certain amount. I think that LG actually put that in place.

AutoClosePatch by Chainfire from XDA Developers helps by bringing down the minimum RAM before the programs start auto-closing. Now my Fathom works very well.

Use at your own risk of course...I had to hard reset once, but now I made a backup using SKTools. The patch does not seem to have caused any issues so far, but multitasking is now possible!