Among other disclosed subject matter, a computer-implemented method of remotely generating a purchase order is to be initiated. The method includes receiving a communication in an enterprise resource planning (ERP) system. The ERP system has a purchasing transaction configured for communicating with each of multiple vendor systems for performing the acquisitions. The received communication is sent wirelessly from a mobile device operated by a user. The mobile device is configured for obtaining information from the user in a process compatible with the purchasing transaction for generating a purchase order in the ERP system. The method includes generating the purchase order in the ERP system. The purchase order includes an instruction to a vendor operating a first vendor system to deliver a quantity of a product type. The method includes forwarding the purchase order from the ERP system to the first vendor system.