Use an updated Android PDF Viewer with 16 KB page size alignment
Only the current version so far — new entries appear as the app ships updates.
Chinese Worksheet Generator is an education app by Setsuna Nand with 1,000+ downloads (about 3.9K estimated). +13 installs in the last 7 days. Rated 4.3 from 74 ratings. Released Jun 30, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Simplified Chinese Worksheet Generator”