A free app for Android, by Qvyshift LLC.
This app is the best phrasebook for learning French. The reason is simple: It contains the most important phrases for everyday life, with the audio pronunciation by a native speaker.
You will learn how to say the most common phrases, like how to greet someone, how to ask about the weather, how to talk about hobbies and interests, etc. You will also learn how to answer some of the most common questions, like how to get to a particular place, how to order a meal, how to ask about the history of a country, etc.
You will learn all this in just one app. The phrases are arranged by category, and you can select any category you want. You can also make flashcards to help you memorize the phrases.