An app for Android to practice with vocabularies in the KVTML format.

Libero Vocab allows you to use vocabularies in the KVTML data format, as developed by the KDE Education Project. It is not a vocabulary in itself, but lets you use pre-existing vocabularies: if you already have a vocabulary, the app provides the functionality you need to practice with it. Vocabularies can be self-produced, using programs such as Parley, or taken from collections of KVTML vocabularies such as:
https://edu.kde.org/contrib/kvtml.php?
Libero Vocab is a fork of another program called "Vocab Drill", by Károly Kiripolszky with contributions of Matthias Völlinger.
Features:
* Support for lessons.
* Grade mechanism.
* Possibility to practice listening to the recorded sound of a word or phrase without seeing the corresponding text (of course audio recordings must already be provided in the vocabulary).
* Support for the test types: Flashcards, Multiple choice and Writing.
* Possibility to practice static collections of words or phrases with which both the lesson and the grade filters are bypassed.
WhatsNew:
* Implement the collections of lessons that should make it easier to manage lessons when using very structured vocabularies. Through a collection of lessons it is possible to reselect with a single stroke a complex selection of lessons previously saved.
* Implemented the static collections of words through which, if desired, it is possible to practice static sets of words, that is, bypassing the lesson filter and the mechanism of degrees altogether.
* Improved the statistics of words that was