What is the fine-grained topic of the following text: The world's first Smartphone running on Android 4.0 (a.k.a., Ice Cream Sandwich), the 4G LTE enabled Galaxy Nexus by Samsung for Verizon brings a redesigned user interface with enhanced multitasking, notifications, full Web browsing experience, and more. Only return the topic.
Samsung Galaxy Nexus running on Android 4.0 for Verizon