India: RB Investments backs personal assistant app Tapzo Bhawna Gupta February 17, 2017 PremiumCoraza Technologies Pvt. Ltd, which operates personal assistance app Tapzo, has raised an undisclosed amount of funding from Singapore-based RB Investments.All items Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at firstname.lastname@example.org.