HDR HQ is a free photography app for Android developed by Wise Shark Software. The app enhances the color of your photos, making them brighter and prettier. It comes with an easy-to-use UI that allows you to take HDR photos with just one click. You can choose between square or standard format for your photos.

One of the best features of HDR HQ is the ability to change all aspects of the HDR process, including effects, brightness and contrast. The app also offers tone mapping to further enhance your photos. With HDR HQ, you can take high-resolution photos that are sure to impress. The app also includes a gallery where you can view all of your HDR photos.

Overall, HDR HQ is a great app for anyone looking to enhance their photos with HDR technology. It's easy to use, has a great UI, and is completely free. Whether you're a professional photographer or just someone who loves taking photos, HDR HQ is definitely worth a try.