Mozilla announced that the HTML5-based mobile phone platform, called
Boot to Gecko , first hit the market in early 2013 in Brazil.

Mozilla head Gary Kovaks made an announcement about this yesterday in São Paulo, noting in passing that HTML5 and open web standards should help bring smartphone capabilities to low-end devices. Mozilla will work with the operator Telefónica on the release of devices, a list of phones that work on Boot to Gecko, will still be presented.
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Boot to Gecko is a free operating system designed for smartphones and tablet computers. The development is led by the Mozilla Foundation based on the free web engine Gecko. The goal of the project is to create a phone that works entirely on HTML5. The operating system will implement its own Web API that supports standard phone functions: calls, SMS, Bluetooth, NFC, etc. In addition, the developers plan to use part of the Android code in the driver support modules, the bootloader, and the kernel. Extensive support is planned for the W3C Device API, including the System Information API, which provides access from the web browser to system I / O, sensors, sound and network equipment. NVIDIA Tegra 2 was assumed to be the preferred hardware platform, but later information appeared about the intention to use Qualcomm chips. Applications will be standard web pages and downloaded through the store, as well as on other smartphones. Developers will be able to use standard methods to ensure that applications run without access to the network.