The concept for making xender is very good that anyone can share their file, video, audio etc to the person whom they want to share.But their is only condition that they must join through xender.
Layout and design are made user friendly but also the design is not so attractive that the user gets attached to it by seeing its layout.
Feature and function are also normal and limited it has not any extra features except sending or receiving files.
It is very useful just coz it needs less time than other ways to share the file.