Custom made Android OS / Customizing Android ROM

We need custom made Android OS / ROM or to customized the Android OS to limit and control tablet applications, features and functionality. Application will include following features: • Administrator section to control OS permissions and select applications which can be run. • OS to be trimmed of some common apps and downsized for light and fast usage. • Limit OS to prevent 3rd party apps download and install, run applications which wont be supported by the device. Only allow to use applications we are going to select. • Limit user access to sensitive parts of OS such as settings • Limit device connection to only one particular hardware (docking power station) • Limit files upload / enhanced security for protection • Connect device with Beaglebone – this secure the locking system of device while in docking station – will send signal to lock / unlock the device. • Branded environment including custom backgrounds, theme, colours, custom dashboard with search, apps • 4-5 sections to show custom content controlled by CMS / database which will be based on our server. CMS will be based in some php framework. • Custom or branded browser so it will have header with our company logo. • Search for internet or search for internal software or files to be merged into one search bar (with switch) • Logging part to be connected to our server / database. Registration only possible via our website. Only approved users can be logged in. • Run custom screen or app while device connected to docking station. • Restore data – once user finish using device and return it to docking station all temporary files / data will be removed • Statistics – application to monitor and save all statistics of user action with the device. Saving the log files into database • Tracking – GPS tracking of user travelling unable to turn the tracking / location off. • Parts for advertisements – run rolling banners with link to external websites. CMS and Website are already done. CMS is done in PHPcake framework. Tablet we want to use will be probably some Samsung model (not older than 1-2 years) CODER - strong experience with Android - some portfolio to show - positive ratings We are looking to invest around 3500 USD but happy to discuss.