How can I connect AWS IOT core to android app with MQTT I found an exemple of MQTT here : https://github.com/leonardocavagnis/MQTTClientSample_Android But I tried to connect it with AWS IOT Core to use Rekognition. I couldn't find an exemple how to use the certificate to connect. I tried ssl://"amazon URL":8883 but I couldn't connect. Someone know the solution how to had Certificate ?