One additional info about the DingMee dictionaries.
The other commercial translator apps tells the number of "entries" as a quality feature.

Here are the number of entries used in DingMee:

de-en 162.196
en-arb 11.677
en-cmn 22.535
en-cs 27.103
en-el 22.899
en-es 42.911
en-fi 61.185
en-fr 49.097
en-he 9.778
en-hu 21.697
en-it 35.163
en-ja 28.315
en-pl 24.682
en-pt 27.417
en-ru 46.073
en-sv 28.270

EDIT: oh yes, I have already a en-hu dictionary. This will be built-in in the next release ;-)