Application Type: Native 

Brief: Need to develop a simple android app with the below mentioned features

Features:
Signup/SignIn form
Push Notifications
Calendaring
Geolocation usage

Designs:  UI Designs are to be made.
APIs Status: APIs are already developed
Backend Technology (APIs): Ready
Timeline: 5-10 hours (immediately)

Send a Proposal if you can do it and I will send a detailed Requirement Documents for further discussion if I shortlist your Proposal.