Sure, here's a sample app description that maximizes the use of critical keywords related to your watermarking app:

Looking for a professional and easy-to-use watermarking app? Look no further than Watermark Pro! Our app makes it simple to add logos, text, and QR codes to your photos, so you can protect your images and promote your brand on social media.

With Watermark Pro, you can choose from a wide variety of fonts and colors to create custom watermarks that match your brand's style. You can also adjust the opacity, rotation, and size of your watermarks to make sure they're just the right size and placement for your images.

One of the best features of Watermark Pro is our batch processing capability. With just a few clicks, you can watermark multiple photos at once, saving you time and hassle. Plus, our app includes access to Unsplash's stock photograph library, so you can easily find the perfect image for your project.

Whether you're a content creator or a social media marketer, Watermark Pro is the perfect tool for protecting and branding your images. Try it today and see the difference it can make!

Key features:

Add logos, text, and QR codes to photos
Choose from a wide variety of fonts and colors
Adjust opacity, rotation, and size of watermarks
Batch process multiple photos at once
Access Unsplash's stock photograph library

Keywords: watermarking, photo editing, branding, social media, stock photos, batch processing, customization, text watermark, logo watermark, QR code, font selection, color selection, opacity, rotation, size configuration.