Google is cleaning house - starting on August 1 2019 it will no longer accept new apps or app updates that do not support 64-bit processors. You will still be able to download the old versions of those apps, however. Note that games built with Unity 5.6 or older will be exempt from this and can still be updated. There's a way around this - 32-bit only apps can be updated, but they won't run phones with Pie (of which there will be plenty after the MWC). This makes it less likely that developers will be willing to put in the work. 64-bit transition timeline Also, from August 1...
Source: https://www.gsmarena.com/google_unveils_timeline_to_kill_32bit_only_apps_on_the_play_store-news-35108.php
