Implicit costs can also be thought of as intangible costs that are not easily accounted for. For example, the time and effort that an owner puts into the maintenance of the company, rather than working on expansion, can be viewed as an implicit cost of running the business.
Initially developed by Android Inc., which Google bought in 2005, Android was unveiled in 2007, along with the founding of the Open Handset Alliance â a consortium of hardware, software, and telecommunication companies devoted to advancing open standards for mobile devices.
Android apps are developed with the Java coding language and the Android Software Development Kit, which runs on Mac, PC or Linux. You also need to use an IDE such as Eclipse. There are other mobile platforms such as Windows Phone, but iOS and Android are definitely the most popular.