Family Tree -- based on folder structure1. folder tree structure, compatible, easy to maintain2. multiple family trees, link family members between different lineage (e.g. spouse).3. export family tree to pdf. 4. can add multiple pictures, intro text, tables5. auto create images thumbnails, default photo6. files transfer thru built-in http server, bluetooth and iTunes file sharing.7. zip and unzip, easy to backup and restore8. using camera and album to take photo and video9. download files from internet URL, including embed images10. support htm, html, shtml, pdf, xml, txt, docx, xlsx, pptx, doc, xls, ppt, rtf.11. support jpg, jpeg, bmp, bmpf, ico, cur, xbm, gif, tif, tiff, png, mp4, mpg, mov, m4v, avi, mp3, caf, wav.12. security password protected13. unzip support UTF-8 file names (e.g. Chinese)14. grouped by spouse, children and self. 15. long press to delete, move and rename.16. chronological chart (time line) on family tree. 17. add contact file to person. 18. standard and hybrid map mode. 19. Drag and drop to move files to folder. 20. Showing time line. 21. Support exif to jpeg files. 22. Expand / Collapse folder.23. Crop photo. 24. Can select lineage parent.25. Search Engine.