ClikTo lets you dial numbers from the web directly so that you dont need to type those on to your mobile. Once you hit dial, the call is already started from your mobile, you just need to pick up the mobile and start talking
Yes, ClikTo is a secure and safe app and follows standards used for any app store. It is being uploaded to Govt of India App store. Read more here
.ClikTo supports Android most of the verson and almost every browser.