I think that would be HP?
If this is a software issue, then you take it up with the software author or company. If you need new software, why not go to your software engineering classes and for a senior project have them create your app?
We are using 43 HP 2710p tablet Pcs for teaching in one large classroom. One for the teacher with 42 students. We use Classroom Presenter software for communication between teacher and students and have experienced many challenges to get all 42 students participating in class.
Can you let us know the best place to look for a solution to our problem?