Odoo PoS Customization

We need the following module development: Module 1: The Odoo PoS, must be able to do the following: --> Each point of sale must be able to use any number of Sale Journals for a single sale. At the moment of payment the user must be able to select the Journal which is going to be used for the invoice, also each Journal Assigned to the PoS Session is linked to a specific report (printed invoice) For example Journal 1 to Invoice report 1. Module 2: The Odoo PoS, must be able to do the following: --> The PoS must have the option to create a "Customer Folio", when you do that a folio is created and saved with the Customer name and a folio number. --> When a customer "buys" something instead of paying for the item you can send the order to his folio, (the items must be reduced from inventory as normal). --> The PoS must be able to recover all the orders in the folio and show it as one single selection in PoS, then you can pay all the lines as normal. (no inventory reduction). Then the folio is closed. We need the modules for v8 and v9.