Flagditis app let you put country code in your picture as overlay, you can adjust visibility of flag and can share on any social media application and store it locally as well
** Choose from many different flags.
** Easily merge images and adjust the opacity.
** Export your new picture and share through Facebook, Twitter, and more!
Thah's it
苹果软件 推荐:允许您在图片中添加国家代码作为覆盖,您可以调整国旗的可见性