Need copy or change to selectable text for dictionary

The first I think this app is very good for learning jlpt Japanese vocabulary. But Im Vietnamese so English meaning is not my mother language. I want to copy or select the meaning text to translate to my mother language. Better than i want to this app can modify the meaning text.

Cao Le Ngoc about JLPT Study, 1-5 Level Kanji and Vocabulary Japanese Language Proficiency, v2.5.2