Additional function on existing APPS

Our currently APPS need to have a additional functions below, Apps Function * Membership System * User with login/logout via Apps platform * Stamp Collection Scheme * Redemption Function * Special discount as VIP food pass after log in * SNS Sharing * Push notification * Sharing of benifits * Transferable incentive/gift/stamps to members * Coupon Admin Panel For iphone,ipad & andriod mobile device We have solid design ideas & some of the UI but may need some of the help as well.