Internet Speed Master is a App for Android devices from nez droid which works on both rooted and unrooted Android devices. Though it works on rooted phones better and the publishers say that unrooted phones may get a boost if the App is installed.
Internet Speed Master when installed will modify the system file containing the TCP/IP config (Linux tweak) and this in turn will boost your internet speed by substantial amount.
The App is safe enough to install but it is advised to take a back up before you install this one.
The website lists the features of App as under :
!!!!!For Root and Non Root Users!!!!
Internet Speed master its a tool to help you improve internet connection.
This will modify a system files to improve the connection in tcp/ip config. its a know linux tweak so its safe using,however always do a backup before trying this.
All ROMS supported, some ROMS already had this file so maybe its not necessary patch the System.
You can fig more about this in XDA developers or santa-li about this tweak
To download this awesome App visit Google Play here.