Hello,
I have gone through the similar App called " Daily Expenses " have the similar features which you are looking for. We are experienced Android developer based out of central india and having more than 5 years of experience in this field.
We have worked on Admin panel, CRUD functionality, Calenders, Time/Date picker, Display information etc hence can create this application as per your need.
Please provide us more details so that we can move further. Let me know if you have any question.
Thanks
Nidhi