The bods from HiDrive have been twiddling around with their mobile apps and have added stacks of new features. Their service is similar to DropBox but locks your important stuff away in one of their ISO 27001-accredited datacentres in Germany.
All versions now have bandwidth-friendly image previews, with the iOS version getting the ability to save photos in a gallery, sharing and a storage display. The Android version lets you save files in any folder, multi-upload and share. The Windows Phone 7 version has a quick-upload function, new design and the ability to save images in the Picture Hub.