Send screenshots (and other images) to your phone or tablet instantly.
Once installation is complete, just open the browser on your 3DS, tap the star button, and select ImageShare.
Once installation is complete, just open the browser on your Wii U, and select ImageShare from your bookmarks.
ImageShare uploads photos to Imgbb.com and presents the URL as a QR code. This allows the image to be easily transfered to any device with the ability to scan QR codes. The camera apps on most iOS and Android devices can read QR codes, so you might not even need to install a separate app.