Only the current version so far — new entries appear as the app ships updates.
ESP Alexa is a tools app by Espressif with 5,000+ downloads (about 7.4K estimated). +7 installs in the last 7 days. Released May 16, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Try out Espressif's Voice Assistant SDK for Alexa Voice Service”