Startup Idea : Milestone/plan walking out to remind you

Most of us record milestone/plan in excel, there are many actions and scheduled date accordingly in the milestone/plan, if you want transfer your milestone/plan to your mobile phone, you can use a data cable connecting to your computer or by wireless network to copy and paste, but the excel will not remind you actively. Here is a solution to get your milestone/plan easily, no need data cable or wireless network, just need to run a APP in your mobile phone, one second after a easy action, you 'get' your milestone/plan precisely, and the APP will actively remind you to finish your scheduled action when scheduled date is approaching. This APP can run on IOS and android platform, you need to pay to use its full function. limited function for free user: 1. just get 2 or 3 action in milestone/plan(totally 20 actions in milestone/plan for example) 2. can just get actions from excel 3. no teamwork function full function for pay user: 1. get all actions in one time 2. can get actions from excel, paper, wall, board or other carrier 3. enjoy teamwork function, for example sending a SMS or email to someone relating to your action 4. function I am thinking