1. Install
Use Anki on desktop or AnkiDroid on Android.

Install Anki or AnkiDroid, unzip your download, import the .apkg file and keep a consistent daily review routine.
Use Anki on desktop or AnkiDroid on Android.
Open the downloaded .apkg file in Anki.
Use spaced repetition to bring difficult cards back sooner.
Spanish, German and Korean are organised from A1 to C1. Japanese progresses from N5 to N1. Each complete deck includes 10,000 flashcards with audio and English support.