This is to use the current smart phone, analyze it through a third-party platform, and then present it. Now there are basically smart phones, which should be done by enterprises in order to improve the user conversion rate.

Moreover, I heard that it is quite profitable to do this now, so many enterprises are doing it, such as what is the letter analysis treasure, rainbow cloud letter. Mainly this piece has great economic value.

However, this is only for smart phones, and ordinary mobile phones are not enough. There seems to be a limit on the version of mobile phones. That's about all I know.