Bubble2 is an Android comic book reader/Image archive viewer. Simple yet comfy. Open PDF, RAR, ZIP, 7Z, TAR files. Display BMP, JPG, GIF, PNG, WebP and JP2/J2K images. Features: Optimized for tablets Supports CBZ/ZIP, CBR/RAR, 7Z/CB7, PDF and FOLDER comics TAR/CBT and Brotli/Bzip2/Gzip/LZMA/XZ/Zstd compressed TAR files are supported too Display BMP, JPG, GIF, PNG, WebP and JP2/J2K image files in archives/from folders Advanced zoom and scaling modes Comics/Manga reading mode Library with automatic bookmarks Simple file browser Best served on Android 8.0(Oreo) or later Still runs on Android 4.1(Jelly Bean)+ (no PDF, Brotli, XZ, Zstd support though) Free, open-source, no ads, gluten-free