Thanks for letting me know, i used a privacy policy generator for this.
I will fix it, backend is firebase firestore and google login auth, its just a reminder app, i made for myself, as there is already a app buts its full of ads and charges 34$ per year.
"Also, why do you need to collect user submitted data and hold on to it for 24 months? For what purpose? GDPR implications may arise from that."
I checked the other app and found that they don't have cloud save and multiple user lost there list when they switch devices, plus if you want you data and account deleted there is a google form, mention in the playstore, just email or fill the form and i will delete all the data.