JCurrency is the most convenient currency convert app on google Play.
Fully 4.0+ support. Free, no advertising.widget supported.
Provide 60 most common currencies.(keep updating)
Function
★ Editing Rates List
★ Sorting rate (long press or point list on the left)
★ Reverse exchange rates
★ Automatic Updates or not on open
★ Decimal settings
★ Widget
★ Rate Notification (Widget)
★ calculator (Widget)
MILESTONE
★ Top New Free Finance app #4 (Taiwan)
★ Top Free Finance app #24(Taiwan)
★ Top Free Finance app #96(China)
facebook
★ https://www.facebook.com/EightSquareApps