Make Web Application Mobile Friendly

Hello, We are looking for an experienced phone app developer to make a php-mysql web application mobile friendly. We want our clients being able to enter data, save and print via Iphone, Palm, Blackberry handsets. Client must be able to 1) login with user name and password 2) select a few variables 3) enter and save data (numeric+text) 4) generate and print spreadsheets and PDFs, all via the handset (if possible) Current web application is developed in php – mysql. All options are currently pulled from Mysql database using php code. We will provide all required php code and queries used to retrieve data. Please give your best price estimate and examples of your iphone apps and freelancer previous work Thank you