The nexpaq, made by Nexpaq, Inc. is a case that incorporates removable physical modules to customize and add features to a smartphone. Here is the video from its Kickstarter. With the nexpaq, all you need to do is put your phone in it, slide in your chosen modules, and start the app that controls them. All modules can be checked through the app, which automatically updates when new modules are added.
Currently, there are cases for the iPhone 6, Samsung Galaxy S6 Edge, and the Samsung Galaxy S5.
Modules are fully compatible between iOS and Android, and nexpaq states that they “work across multiple generations of phones.” That means in theory, modules will work on other smartphones, including those that have not been released yet, provided nexpaq cases are made for them.
As of now, there are 12 modules available:
Developer Kit and Hardware App Store
The company’s Kickstarter includes the option to obtain a developer kit. It says this will be key in creating a hardware app store (like Google Play or the App Store but for modules) that will allow users and developers to collaborate and make new modules. Since already there are modules for temperature and humidity, a breathalyzer, and a laser, the possibilities could be endless with the nexpaq.