From now on, iPhone and iPad users to get started with Slides from Google. Thus you can keep all your presentations on mobile devices edit. This functionality was already available within the Google Drive suite, it is now a stand-alone app.
Google brought Slides earlier, this summer for Android. Just like the Docs and Sheets apps. It seems that Google, the single services more prominently on the smartphones you want. By all the services as separate apps to offer will Google your screen is more dominate. Useful to separate apps is that it is easier to find than when they are hidden in a "productivity suite".
Google Slides screenshots
You can free download Google Slides and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.