v5:
1. Fix force close problem on Android 4
v4:
1. New themes - "Light Theme" and "Dark Theme"
2. Adjustable text size - Small, medium or large
3. Share function - You can now share the translated check amount to other apps
4. Copy text - Clicking on either the English or Chinese amount can copy the text to clipboard
5. Keyboard will pop up automatically once the app is started
v3:
1.Fix "One Dollar" should be displayed as "One Dollar Only"