Grape Notes Pro

ReadEra Premium is an e-reader for books and documents supporting multiple formats (PDF, EPUB, FB2, MOBI and others), cloud synchronization, background text-to-speech, and personal library management tools (collections, bookmarks, quotes, dictionary).

A fully-featured Orthodox prayer book with an extensive library of prayers, sacred texts, a calendar, and reference information, working ad-free and offline for most functions.

BooxReader is an offline reader for EPUB, PDF, FB2 and comics with TTS support, notes and interface customization, operating entirely without internet and ads.

MRead - a lightweight reader for those who just want to read.

Samsung Notes is an app for creating handwritten and text notes with drawing, voice recording, and data import support, but with frequent synchronization issues and data loss.

Google Files is a file manager with memory cleanup, fast file search, local data transfer, and file protection. The main focus is on freeing up device storage and convenient media file management.

ColorNote is a simple notes app for creating notes, to-do lists and reminders with color organization, device synchronization and cloud backup.

Tumblr is a microblogging social network specializing in fandom content, art, memes, and creative works, where users post, reblog, and subscribe to tags and creators of interest.