Google announced today that it will only allow 64-bit apps to be made available on Play Store from August 2019.
"For applications that use native libraries, 64-bit code typically offers significantly better performance," the company said in the Developers Blog.
It should be mentioned that Apple has stopped supporting their applications 32-bit in iOS 11 since last September.
The company goes on to say that in the future the Android operating system will only support 64-bit applications.
So if you are a developer and application provides you with 32-bit libraries, you should alternatively add 64-bit libraries inside the APK you upload to the Play Store.
Today's Google announcement means that those who have apps through the Play Store must upgrade them with the necessary plug-ins until August of 2019 to stay on the Play Store.
The company also announced that it will soon start adding metadata security which will facilitate the verification of applications, as an additional security measure.
If you are interested you can read more at official announcement.