Forestry Log Capture

I am in need of an android based application that will allow me to record information of all Logs being harvested in a forest. With little or no access to the internet the information will need to be stored locally on a device until such time as transfer is possible through cellular data or Wifi. Basic Overview We require an application to facilitate the counting of harvested trees in the plantation, the receipting of the logs at the sawmill from the forest and the tracking of logs consumed in the sawmill from sawmill stocks (that came in on trucks). The App will need to synch with the server as frequently as possible but can only do so when Wifi or GSM signal is available. The app will need to upload captured information but also need to download master data info from the server. it will also need to download information captured on other devices. for example the device capturing the logs into the saw's needs to be able to scan a bardcode and know its details even if it was captured on another device 500km away or if it was captured on a device at security 5 minutes ago. A comprehensive Scope document and functionality document is attached. Please review in detail before posting your bid. you are welcome to ask me question that will give you clarity. Payment will be broken into milestones in agreement with the developer but 40% will only be paid when the project is delivered in full. Penalties will be deducted from the 40% if the project is not completed or behind schedule. this will be negotiated with the developer up front. A non-disclosure agreement will also need to be signed as well as a document stating that the application code may not be given to anyone else. Application is to be published on google play. You must be prepared to have a Skype conversation with me around the project, deliverable and timing. Thanks