A free program for Android, by SE Develop.

This application is a handy reference for learning German and English. The database is built from various sources, and its size is more than 32MB. There are various options for searching, and the results can be saved in history for later use. There is also a word of the day widget that allows you to see the latest words on a daily basis.

There are various settings that allow you to customize the dictionary to your preference. You can set the default font and theme, as well as the word font size and color, the list border color and width, and the history list border color and width.