Android-Sudoku-Solver-OCR VS android-ocr

Hello, I am learning android development and recently made this app that recognizes a sudoku puzzle from an image and solves it. Thought getting some feedback from people more experimented than me would help me improve.

github.com/SubhamTyagi/android-ocr

Here is my pick: -aurora store download apk of apps from the googleplay store. -fdroid a store for opensource apps. -aria2 to use as an advance feature rich download manager and can use to torrent. -package manager is good for when installing apkm and exporting things. -sd maid to clean unwanted folders and dead files, generally clean the phone's storage. -pdf converter might be the best app to work with pdfs. -open resources read and download books for free, also they have an audio book app too. -mindustrycool game that i like, just recommending. -vlc an ad and hassle free audio-video player. -zee archiver another choice to zarchiver. -data eraser cb phones don't really need tools like this and using without understanding is harmful to the phone. -ocr ad free and opensource ocr app. -multi filerename does what it's name says. -stealth feature rich reddit client, can be found in fdroid. -fritter twitter client. newpipe feature rich no ad youtube client. -droid splitter splits files, can be buggy sometimes but does it's job. -onlyoffice-collabora microsoft office alternative. -binary eye qr code scanner. -video transcoder transcode video. -open link with cool link tool. -touch protecter protect from accidental touches when you don't want them. -fake stand by kinda like the one above but this one saves energy. -proexpense advance miney manager. Welp thats some of my pick and sorry for the lack of upper caped characters.

OCR 4 on F-Droid