Das inoffizielle Android-Handbuch
Mathe macht glücklich
We Sign ABC
Barkley, R: ADHD-What Do We Know?
Grundkurs Mathematik - Vom Rechnen zu Algebra und Trigonometrie
Video Tutorials
Sure you can simply start the (often pre-installed) Youtube app (or better Newpipe), and start searching. But usually it's much easier to have pre-compiled and sorted lists ready – which is what the following apps promise:
Video Tutorials on Programming & Development
2021-07-25
- Master Coding - Learn Coding from Zero to Hero (4.6@22,712) Ǥ 7
3 
- Learn Java: java tutorial (4.5@332) 2 4 tutorials, examples, videos, quiz & more
- Python for Beginners (4.3@271) Ǥ 9 4
- Programming Tutorials (4.2@97) 1
LastUpdate: 2015-02-15 - Programming Tutorials (4.1@525) Ǥ 9 1 LastUpdate: 2016-09-17
Video Tutorials to learn a language
2021-07-25
- 4English: Learn English via News, Videos, Podcasts (4.7@13,157) Ǥ 20 10
- VoiceTube - Learn English phrases and word easily (4.6@79,548) Ǥ 17 10 English
- Learn English with bilingual subtitles (4.6@1,210) Ǥ 11 4 LastUpdate: 2019-07-28
- 13000 English Vocabulary Video (4.5@2,536) Ǥ 9 8 / 10000+ FREE VIDEOS FOR IELTS (4.4@1,381) Ǥ 9 8
- Learn Spanish Podcast (4.5@1,781) 7 9 apps for more languages available
- Learn English with ABA English – Study English (4.4@149,785) Ǥ 22 15
- 13000 Videos Learning English (4.4@9,853) Ǥ 10 7
- English for Beginners - VOA Learning English (4.3@5,212) Ǥ 11 13
- VOA Learning English (4.3@1,037) 5 2 LastUpdate: 2017-03-06
- Casco - Learn English with videos and subtitles (4.2@113) Ǥ 11 9
- Enggle player - Learn English through movies (3.9@1,683) Ǥ 19 6
- Learn Spanish by Video (3.6@373) 6 7 / Learn Spanish by Video Pro (3.8@17; ~EUR 6.00) 2
Video Courses on Computer Programs
2021-07-25
- Learn Excel 2016 (4.6@144) 2 2 LastUpdate: 2018-07-29
- Video Tutorials for Lightroom. (4.4@28) 8 1 LastUpdate: 2016-05-16
- Video Tutorials for Photoshop (4@107) 3 1 LastUpdate: 2017-08-03 / Tutorials for Autocad (4.1@117) 3 2 LastUpdate: 2018-03-26
- Photoshop Learning Videos - Photo Shop Full Course (3.8@52) 5 1 LastUpdate: 2018-09-16
- CorelDRAW Learning Videos - Coral Draw Full Course (3.4@32) 5 1 LastUpdate: 2018-06-20
Other Video Tutorials
2021-07-25
- edX: Online Courses by Harvard, MIT, Berkeley, IBM (4.7@86,801) Ǥ 13 11 Github; subjects from computer science & engineering to history & psychology
- Study.com - Online Courses (4.3@2,083) 7 3
- TechTrixInfo - Engineering. (4.3@156) 3 LastUpdate: 2017-08-11
- video2brain (4.1@1,136) 5 3 LastUpdate: 2017-12-16
- Yousician - Guitar, Ukulele, Bass and Singing (4@7,520) Ǥ 11 9 / Piano by Yousician - Learn to play piano (4.4@9,394) Ǥ 11 9
- Free Cybersecurity Career Training and Cert Prep (4@479) Ǥ 26 4
2021-07-25