The 2nd generation of mobile applications (apps) based on Smartphone's and tablet PCs are completely changing the way mobile software is developed, distributed and consumed. In particular mobile enterprise applications (MEA) have a disruptive effect on existing enterprise software and require rethinking in the software industry. Despite their impact, MEA have not been considered sufficiently in literature. This paper contributes to fill this gap by investigating more than 500 existing MEA, by providing an overview of typical characteristics of MEA, and extracting of both future directions in the MEA market and a related research agenda.

Platform as a service (PaaS) has become a strategic option for software vendors who expect to benefit from value co‐creation with partners by developing complementary components and applications. In reality, however, established and new software vendors are battling to redefine their offering to embrace PaaS. They face the challenges of transforming, configuring and calibrating their PaaS business models to align them with existing business models, customer expectations and competitive pressures. This motivates our research question: How can software providers design viable business models for PaaS? Our study develops a design theory for PaaS business models. This theory is grounded on a 12‐month action design research study at one of the largest global software companies (here called Alpha) with mixed PaaS experiences in the past. Our primary research contribution is a set of design principles that guide software providers to define a viable PaaS business model in order to create a flourishing software ecosystem for their cloud platform. By synthesizing prescriptive knowledge related to business model design for emerging cloud platforms, our study advances PaaS research towards the existing body of research on software platforms and business models.

Abstract-The 4CaaSt project aims at developing a PaaS framework that enables flexible definition, marketing, deployment and management of Cloud-based services and applications. The major innovations proposed by 4CaaSt are the blueprint and its lifecycle management, a one stop shop for Cloud services and a PaaS level resource management featuring elasticity. 4CaaSt also provides a portfolio of ready to use Cloud native services and Cloud-aware immigrant technologies. The necessary tools to monitor the execution and manage the lifecycle of applications. Overall, the project will bring significant benefits to the European economy via a greatly simplified design and delivery model for services and service compositions thus contributing to the establishment of new and highly dynamic and innovative service ecosystems. Keywords

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