New #GrapheneOS PDF viewer update with swipe gestures for pages and also a full migration to Kotlin. nostr:nevent1qqspkqym6fcfak5mpj3kv892dpxaj8m6km2muwmm2qkuu526jdkjedspzemhxue69uhhyetvv9ujuerfw36x7tnsw43z7q3q235tem4hfn34edqh8hxfja9amty73998f0eagnuu4zm423s9e8ksxpqqqqqqzyx4xrh