Even though developers can only access a preview, SONY offers a link to download the SmartEyeglass SDK from its website. In the page https://developer.sony.com/develop/wearables/smarteyeglass-sdk/ users can find a guide to start with Android application development in the SmartEyeglass device. Instructions offer installation information of the SmartEyeglass SDK.
Change is coming to the Apple Watch app ecosystem and developers need to prepare. Apple suggested apps not compiled through the watchOS 2.0 SDK won't be available in the app store after June 1. The move comes ahead of Apple's annual WWDC developer event, implying watchOS news in on deck.