https://www.pleco.com/products/pleco-for-android/ does not list the 256 signing cert fingerprint for the apk e.g. Signer #1 certificate SHA-256 digest: 780a2a639a3ccb65621e0caccf18fa38c91f6cbf351d453742ebe2a114b09624 nor does it list a checksum for the current apk itself e.g SHA256 (plecodroid-211028-website.apk) = 8da9e3756c441ab23761f7a5ce55b1b11f1ff99007b0902ebcc53415a24bc581. Auth and integrity is important at first install for the trust-on-first-use Android model, particularly for those of us who do not use Play Store for app delivery. Please consider publicly posting at min cert prints digests for auth.