FlagWaver

Wave your flag!
FlagWaver is a virtual 3D flag you can hold up high, or just have fun playing with as it ripples in the virtual breeze. Comes with a big selection of popular pin-sharp flags built-in and lets you purchase cheap add-on packs of flags inside the app.
This starter pack of flags comes with the app for free:
National Flags: Australia, Belgium, Brazil, Denmark, Finland, France, Germany, Ireland, Italy, Japan, Mexico, Norway, South Africa, Spain, Sweden, Ukraine, UK, England , Scotland, Wales. Northern Ireland, USA
International Flags : The European Union

Military Flags: US Army, US Air Force, US Navy (2 different flags), US Marines, US Coast Guard,
US State Flags: California and Ohio.
If you need more, we've got super cheap add-on packs of flags for sale in the app's flag store, covering the flags of every nation (grouped by continent), every US state, the LGBT gay pride rainbow flag, even real pirate flags of actual pirate captains.
Created by award-winning developer Maf Vosburgh and top vexillologist Graham Bartram.