GREat is composed of professors and students (graduate and undergraduate) of the Federal University of Ceará (UFC) and other Institutions. Its main research areas are: - Mobile Devices * Software Development for Android / Windows Phone; Software customization and adaptation for Android devices; Game development for Android / Windows Phone; Certified Compatibility Android devices for OEM Google Partners; Testing for LTE-Advanced; CDMA,GSM including mobility test scenarios. - Cloud Computing / SDN * SLA4 cloud, Cloud Billing Solutions; Workload Modeling and Simulation; Metrics for Elasticity Evaluation; Cloud Models for Development Application e Mobile Cloud Computing. - Internet of Things * Intelligent Enviroments (Smart buildings and cities); Programming environment to facilitate the development of IoT/Ubiquitous applications; Development of applications to control sensors/actuators e Integration Cloud-Iot. - Wireless Sensor Network * Energy-aware networks; Smart agriculture; Management e Security. - Natural Language Processing * Applications: Devices commands, Chatterbots / Q&A (Question and Answer), Information Retrieval/Extraction; Tools: Word Sense Disambiguiation, Syntatic Parsing, POS-Tagging, Lexical Analysis; Linguistic Resource Production: Dictionary construction, Sentence (Corpus) Generation. - Ubiquitous Systems * Annotation systems; Recomendation systems; Tools for Pervasive Games; Loosely Coupled Context Acquisition Middleware; Mobile Educational Apps. - Security * Security for Android; Vulnerabilities Analysis and Fix; VPN, Digital Certificates and Encryption security tools; Automated Tests. - Web Applications and Tools * Web Portal for accessing and concentrate information from another systems; Project management software, resourcing and scheduling tools; Releases compilation scheduling tool and file repository; Automation and generate XMLs for android systems.