iOS on the Apple App Store. An Android version is also available on the GainSpan support portal. The Wi-Fi sensor application allows LEDs on the NXP Freedom, Tower system, and i.MX development boards to be turned on/off using an iOS or Android-based smartphone or tablet. Similarly, the status of sensors located on the development boards, such as a 3-axis, temperature, light sensors, can be sent through Wi-Fi and graphically displayed on the smartphone. Source code for these applications is available on the GainSpan support portal.