Sorting- What tab each file type will be sorted under:

Photos: .bmp .gif .ipg .png .psd .tif
Music: .aac .mid .mp3 .mpa .ra .wav .wma .m4a
Video: .3g2 .3gp .asf .asx .avi .flv .mov .mp4 .mpg .rm .swf .vob .wmv .m4v
Doc: .doc .docx .pps .ppt .xls .xlsx .pdf

Audio formats supported by both iOS and Android through the APP:

iOS: .wav .mp3 .aac
Android: depends on which format supported by the media player app installed in the device.

Video files supported by the App:

iOS: .m4v .mp4 .mov
Android: depends on which format supported by the media player app installed in the device.