Simple lottery style app running on android platform

The app will have two ends, collector and server, server will collect data from multiples collector, transfer of data will be via Bluetooth of Wi-Fi direct. collector: 4.0in display android phone server: table motorola xoom 10.1in - "collectors" will collect plays from finals clients on a daily basis, at the end of each day like a lottery will be winning numbers. - There will be 3 winning numbers from 1-100 - Plays will have 4 types of modes, (F, C, P, D) ex winning numbers: 45 , 12, 54 where 45=F and 12, 54= C plays: F: Single play first number C: Single play of one of the two last numbers in any order P: combination of 2 numbers in any order D: combination of 3 numbers or more in any order wich will result in multiples “P” plays (Ex: 21,15,7 D = 21-15P, 21-7P, 15-7P) Database Fields: Date (automatically from network) Device ID ( Each collector has a unique ID ) Numbers: (multiples numbers from 1-100) Play: F,C,P,D Amount ($) Transaction ID (each entry generates a unique id, can be the last 2 digits of the device id plus a number following a sequence) This is what a play looks like and what a “collector” will record: “ 01/01/2015 / ID0001 / 42 / F / $2 “ “ 01/01/2015 / ID0001 / 12.54 / P / $1” Workflow collector: Records entry → Closing Day → Transfer to server Workflow Server: Receive records → Closing day → Winning numbers Notes: - After closing neither collector nor server can modify any records