DeltaFX is an Android photo editing app that allows users to apply various image effects to their photos. It can be used to modify existing photos in the gallery or to apply effects in real-time while taking new photos. This is a preview release and may not work on all devices, and the photo quality may not be optimal.

One of the key features of DeltaFX is the ability to browse through the effects using the volume buttons, making it easy to try out different options quickly. Users can also play with the settings to fine-tune the effects before taking a photo. While the app is still in development and some features may be incomplete, it provides a promising glimpse of what's to come.

Overall, DeltaFX is a useful app for those looking to add some creativity to their photos, with a straightforward interface and a variety of effects to choose from. However, users should keep in mind that this is a preview release and some features may not be fully functional.