PyAsk 2 is an open source app written in Python for s60 which asks you from predefinied words. It allows you to create words and own dicts on the way to school or university enchancing your abilities to learn other language!Free Download: here
KODi is an application for mobile phones supporting Java. It is a browser of large dictionary data, such as the great GNU/FDL English-Czech dictionary.
Through an intuitive user interface, take the basics of the conversation in a foreign language wherever you go and speak in the most common situations.
Open Dictionary allows you to quickly look up a word using several dictionaries.