A nice database by Kim Wood to start with if you want to learn French.
You will find here some 250 French words with their English equivalents.
Words are organized in topics such as days of week, months, numbers, directions, human body or alphabet.
To view this free database on your device you will need the SuperMemo application.
It will allow you to learn the cards up to 10-50 times faster and ensure that you never forget them again.