>>7769260https://jlptsensei.com/genki for textbooks
anki for flashcards. you can get presets for learning jp for it
theres an app called 'kanji study' you can get that has tons of useful features, namely finger-drawing kanji and having the app tell you how dogshit you at things like stroke order instantly. its app icon is 字. it costs like 12 bucks to 'unlock' all of the kanji but it's such a good app 12 bucks is a steal.
https://www.tofugu.com/japanese/learn-hiragana/ https://www.tofugu.com/japanese/learn-katakana/^those are good mnemonic guides for the two kana syllabaries. you could learn how to at least read both in like a couple hours if you follow the guide properly
maybe could have ordered this better but you should get the idea