Create an vtiger 5.4 app for smartphones

Hi! I look for an person who can make an app for a custom made vtiger version 5.4 Functions on app: Custom module ( module for making calls should be able to load on the smartphone with all fields just as in live crm ) Email as in live crm Organization as in live crm Invoice also as in live crm Calendar as in live crm if you have any questions just ask Before make the bid