Sony Mobile has released an update for the ‘Small App’ framework that moves the build number to 1.0.A.0.1. Sony says that the update improves Small App search results on the Google Play Store, although we didn’t notice any difference pre and post update. Perhaps, this is a precursor before Sony fully adopts the new material design Small Apps as seen in the new Xperia Z5 series. The small 0.1MB update is rolling across Xperia handsets right now.
Thanks Eduardo, Fady and ilLogict!