The built-in toolbox tools in the Android system (under /system/bin) are too simple, and poorly supports some very useful Unix/Linux commands, such as find. In this case (to better use Unix utilities on Android), we can install BusyBox on Android OS in order to work with a variety of common Linux commands, tools.

Although various plug-ins can greatly expand the functionality and improve the usage experience of web browser, they do consume too many system resources, so that make your browser start and run slower and slower, even get stuck frequently. In other words, too many browser addons end up making the user experience worse! Based on this fact, something better than plugins - userscript emerged, and is becoming more and more popular now. Although it's a little hard to get started and only suitable for advanced computer users, once you get used to it, you can't leave it any more.

EndNote is by far the most well-known and classic bibliographies, citations and references publishing and managing tool for both Windows and Mac platforms. It has an easy-to-use user interface and powerful functions, which can improve the work efficiency of users especially scientific research workers. Whether it is the retrieval, management of literature, automatic acquisition of full text, or the citation and insertion of references in the process of paper writing, the use of SCI (Science Citation Index) periodical templates, it can always provide powerful and efficient help.

CamScanner (AKA: 扫描全能王, CamScanner Phone PDF Creator) is a very practical and convenient Android application developed by INTSIG from China. It can turn your Android OS-based smartphone or tablet computer into a portable, all-in-one HD document scanner, fax machine, PDF creator & converter, Text extraction tool, and document sharing & collaboration platform. That is, it allows you to electronically transfer any of your paper documents anywhere, anytime.

Titanium Backup is a top-level, old-fashioned file/data backup software for Android OS, developed by Titanium Track from Switzerland. It is considered to be the most powerful Android application and system backup/restore tool at present, and has received consistent praise no matter in which software publishing website around the world.