1. A system for inserting supplemental computer instructions into an application, the system comprising: a parser configured to identify one or more locations within a set of decompiled application computer instructions for insertion of the supplemental computer instructions; a computer instructions generator configured to generate the supplemental computer instructions based, at least in part, on metadata associated with one or more items and the one or more identified locations, wherein at least a portion of the supplemental computer instructions, when executed, enables a user of the application to make a transaction to acquire the one or more items by a user interacting with the application; and a compiler configured to create a compiled application by compiling the decompiled application computer instruction with the supplemental computer instructions inserted at the one or more locations.