I need to connect my cell phone to the IoT sensors (Say BLEs) and collect the data which needs to be sent or stored into Azure. How can I do that? 
Is there any App (preferably mobile App) through which I can handle my IoT devices and push the data to MS Azure using any gateways? If yes, how can I do that? Links of any articles or materials and videos related to this will be helpful. 
Thanks.