If it is technically difficult, I accept: not syncing thoughts from Desktop Client -> Android App, as a reasonable limitation.
Though I believe it would be a nice feature.
Use cases could include:
1. At desk with TR and GTD in good order.
2. Just before leaving you have a few thoughts, enter on desktop.
3. Then sync as leaving office.
4. At errand enter thoughts on Android.
5. Return home (but not at computer) review thoughts on Android to see all thoughts (from 2 & 4). Such list of thoughts would be awesome:
for instance: Must return to work, important agenda item, or perhaps just fluff.
6. Make decision of next action at home
Then maybe I be free to relax, or have pressing reason to sync to desk for another round of GTD.