Write an Android application

hi, i need application to be used in android box to do the following : we use a ready installed XB application from market , we only need to a new application that will uninstall and install the updated application ( if we only give order to do that ) Section 1 : Uninstall / Install new XB app We need the application have like a control panel to be used from our side. a very simply control panel . the control panel will be as following sample : New XB file link : [login to view URL] ( we will put this link from the control panel ) Request to Update : 1.0 ( we will type this version here , ever time we change the version for example 1.1 the application you will start to work) when we add the link of apk and new version , the application you will make should do the following : 1- Download the new apk file from the link we add 2- Clear Data from android setting for XB application that was already installed before in the android box 3- Uninstall XB apk from the android box 4- Install the new XB apk that downloaded from the link we put in the control panel ****************************************************************************************************************** Section 2 : Folder File Update : From the same control panel in the new application you will make, it should be added the following : New Update file link : [login to view URL] ( we will put this link from the control panel ) Request to Update : 1.0 ( we will type this version here , ever time we change the version for example 1.1 the application you will make start to work) when we add the link of new file update and change the version , the application you will make should do the following : 1- it will download the update file from our server link to the android box directory : Android/data/update02 2- if there is old update folder, the app should delete the old update for example : Android/data/update01 ( this should be deleted ) 3- After downloading the file, the app should extract the download file from our server ( .rar ) file 4- after extracting , it will copy the folder from directory :Android/data/update02/[login to view URL] and past to the directory : Android/data/[login to view URL] ****************************************************************************************************************** Section 3 : Security we want a security system that the application cannot be used more than 1 android box. i need to see your suggesting and advises how you can make it ? must important the app should be used only for one customer android box not allowed to copy our app and install in other box. it's very simple application if you understand , must important thing for us is the security of the app.