This app was mentioned in 8 comments, with an average of 2.38 upvotes
I've been using Jiffy for a week and I like it.
The free version has a limit of three projects, but I couldn't find a limit for the tasks per project. So my "projects" are living, work and fun.
I think it's this one :
https://play.google.com/store/apps/details?id=com.nordicusability.jiffy
This is going to be quite complex but you could use the Jiffy app, with an Android automation app called Tasker with the autovoice plugin for voice control
https://play.google.com/store/apps/details?id=com.nordicusability.jiffy
https://play.google.com/store/apps/details?id=net.dinglisch.android.taskerm
https://play.google.com/store/apps/details?id=com.joaomgcd.autovoice