Microsoft always keeps pushing Windows 10 updates to troubleshoot some problems and fix some update bugs.
This update doesnt bring functional changes or upgrades but focuses on stability improvements and bug fixes.
And now, it is focusing on performance improvements and stability.
In other words, this version will arrive in September and probably it is released in October at latest.
For example, the updated version number in April 2018 is v1803, which was pushed on April 30.
The new version number that is spotted by Neowin appears in the Windows Insiders preview.
For phones with Android and above, they are compatible with this app.
For PCs regarding China region, this app service will be enabled in the future.
With Your Phone app, Windows 10 PC can be more tightly tied to users Android phones and iPhones.