Shift² Keyboard - Nigeria

Type in any Nigerian language including English at the same time with no language keyboard layout switching.
The Shift² Keyboard Technology has found a way to make multi-language typing as easy as multi-language speaking.
The Shift² Keyboard Technology design added a new set of shift keys (“Shift²”) that makes it possible to access extended characters, combining tonal marks such as accents, sub-dots, and other symbols directly during regular typing.
Whether you're typing in English, French (Français), or any of the many written Nigerian languages such as: Hausa, Ìgbo, Yorùbá, Ebira, Ẹdo, Fulfulde (Fula), Ibibio, Ẹfịk, Ijọ, Kanuri, Urhobo, Nupe, Igala, Idoma, Isekiri, Anaang, Isoko, Kalabari, Geomai, Dghweɗe, Kun-Ɓíilé and Tiv, just to name a few, you simply type. Adding tonal marks to alphabets is exactly how you write.
Nigeria is a country of about 170 million people, with between 250 and 400 native languages and dialects. These languages largely fall into three main global language groups, Afro- Asiatic, Chadic and Niger-Congo. All the native languages are typed using the Latin alphabets. Nigeria is officially an English-speaking country, but Nigerians have not abandoned their native languages, in fact, Nigerians continue to use their native languages in all naming conventions.