firstWords for Android
Swipe screen horizontally to go to next word (right direction) or previous word (left direction).
Swipe screen vertically to go to next category (top direction) or previous category (bottom direction).
Go to other category via menu button.
Activate automatic diaporama via menu button.
Modify settings: change language, change from lower to upper case, change text color, change timelapse between words in automatic diaporama.
Change text size via phone volume buttons.
Shake you phone to go randomly to another word.
It is advised to use phone in landscape mode.
Lock screen is disabled.
Already 2 languages (English and French), 19 categories (+ alphabet + numbers) and more than 450 words.
Feel free to suggest new categories, new worlds, new languages (but please provide traduction).