Use APKPure App
Get Triggers old version APK for Android
Install the Gear app first! This is a IFTTT client for Gear S2, S3, Sport
Step 1: Log in to your IFTTT account.
Step 2: Search for Webhooks and go to its setting page to get the key.
Step 3: Fill in the key inside the Triggers app.
Step 4: Create your recipe with webhook as the first condition.