The feature works similarly to the Walkie-Talkie feature that Apple introduced for Apple Watch devices in 2018. What you need to know Samsung has released a new WalkieTalkie app for its latest Galaxy smartwatches. The app allows you to use your Galaxy Watch as a Walkie Talkie to have instant conversations. Samsung's WalkieTalkie app isn't compatible with older Galaxy smartwatches. Samsung has quietly released a new app that allows Galaxy Watch 4 and Galaxy Watch 4 Classic users to have instant conversations, "just like if they were using a walkie-talkie" (via XDA Developers ). It uses Bluetooth to look for nearby friends and create your Walkie-Talkie channel. Unsurprisingly, the new app isn't compatible with older Galaxy smartwatches like the Galaxy Watch 3 and Galaxy Watch Active 2, which run on Samsung's own Tizen platform. To use the new app, you must register your Samsung account on a phone that is connected to your Galaxy Watch 4 or Galaxy