This app was mentioned in 1 comment, with an average of 2.00 upvotes
"Promise of benefits for minimal time spent". "Fear of missing out on important information and making mistakes". They're the cornerstone of some clickbait niches.
A variant of https://play.google.com/store/apps/details?id=net.itx.hbrtips could be interesting but they have clout by being HBR. There's a lot of people doing similar things and indeed a lot of blog posts and "learn something new everyday" sites.
But conceptual originality is overrated. If you can put a new spin on things or just make the experience more convenient then the idea has potential but you'll need to do a lot more than a spreadsheet.