Easy and automatic installation, everything is pre-configured, low memory consumption, low CPU usage, capable of serving requests simultaneously, not need of root access though you can use root as well, and completely free of charge along with no advertisement. This is the best Android web server. Internal memory should not be less than 50MB! Lighttpd 1.4.34, PHP 5.5.9, MySQL 5.1.62,, MSMTP 1.4.31, phpMyAdmin 4.1.10, and Nginx 1.5.11. One thing you should remember is starting server before entering configurations.