To complete your WaniKani reviews, whilst you are standing in a queue: WaniKani for Android
If you have a textbook with a CD, copy the sound files from the CD onto your Android device.
Another vote for AnkiDroid from me.
To complete your WaniKani reviews, whilst you are standing in a queue: WaniKani for Android
If you have a textbook with a CD, copy the sound files from the CD onto your Android device.
Another vote for AnkiDroid from me.