WordLing is modern, opensource Android app which helps you learn hard to remember words from any language.

• You can create your own word packs, containing all the words you want to learn
• You can upload your word pack to web, and import it in another device - or just send it to your friends
• WordLing uses TextToSpeech engine - it helps you learn proper pronunciation of your words
• You don't need internet access
• Application is completly free, you don't have to register anywhere
• Word packs are shared on Github Gist
• WordLing analyses which words you know, and sorts it.