You can convert images ( jpeg files in gallery ) to a PDF file.( Free version limit : up to 10 images per a PDF file, unlimited version https://market.android.com/details?id=com.bfrontier.imagestopdfunlimited )You can convert 1,000 pictures to a PDF file by unlimited version.http://www.youtube.com/watch?v=hLIfH5uXIXEHow to use?1. Launch the gallery app to pick images.2. Pick images by long tap. You can select a folder or multiple images.3. Touch Share menu, Select ImagesToPDF.4. Push Yes button.5. Now you can view PDF ( tap the file name ) or share PDF ( long tap ). The PDF file is saved in SDCard/ImagesToPDF folder.tags: imagestopdf convert to PDF picture pictures to pdf scan