iCoolsoft 3GP Converter can help you convert AVI, WMV, MP4, FLV, MOV, RMVB, MPEG and other videos to 3GP or 3G2 format for your playback on mobile phones, and convert 3GP videos to AVI, MPEG, MP4 and other popular formats. 3GP ... file format) is widely used by mobile phones to record and playback videos.