The document discusses Barnoparichay, an app that teaches Bengali alphabet and numerals to children through interactive tools that emulate a slate and chalkboard experience. It aims to spread Bengali language to communities located in different continents. The challenges in developing the app included creating an engaging interface and realistic tools while optimizing performance. The solution was to make the app colorful, include characters to define button functions, and implement different modes and games to teach letters, numbers, rhymes and sequencing in an enjoyable way for kids.

1. Barnoparichay
The Slate-pencil Experience in App to
Learn Bengali Alphabet

2. Why Barnoparichay?
Bengali is 7th
most spoken language in the world, one of the primary vernacular
languages in India and 2nd
most spoken language in the country after Hindi.
With an aim to spread Bengali language further, Barnoparichay was launched in
March 2015.
Barnoparichay:
● Help kids learn Bengali alphabet and numerals using interactive tools and
teaching methods.
● Reach out to the Bengali community located in different continents where
readable content is available only through smartphones and tablets.
Barnoparichay is also found in Hindi and English.

3. The Challenges
● The toughest task for the designer was to keep the interface very engaging, to draw attention of first time users.
● Implement authentic, old school slate and chalk effect to create a nostalgic impact.
● Generate a smooth interface and an erasable duster element, making the user experience as realistic as possible.
● Adding various key tools to make the app more engaging
● Memory Management was a huge blocker as managing images in the app could slow it down.

4. The Solution
● Engaging for children with cartoon kids, making the app
colorful and alluring.
● The age of boring buttons is over. The app has colourful
characters who define button functionality by displaying
specific actions.
● A blend of functionality for wiping of “slate-board”.
● Core graphics(GPU for processing, utilising the OpenGL ES
2.0 Framework)to increase performance and smoothness,.
● Various colored chalks of different size and patterns.
● “Listen and choose the correct alphabet” challenge to increase
concentration skills.
● There is also a challenge for arranging jumbled alphabets in
sequential order to test patience and memory.

5. 4 different modes of bengali learning
● Lekhani lets kids draw and learn Bengali alphabets/ numbers by implementing the slate and chalk interface.
● Chhara lets kids learn Bengali rhymes by listening to voice recitation clips.
● Shrutipathan teaches kids how to select the correct letter/ number from multiple options by listening to voice clips.
● Ha-Ja-Ba-Ra-La is a game for kids to arrange jumbled alphabets/ numbers in the correct sequence.

6. Advantages
● Introduces kids to classification based on
Swarabarna (vowels), Byanjanbarna
(consonants), Maatras (word extensions) and
Sankhya (numerals).
● Touch based Pen tool lets kids practice drawing
and outlining Bengali alphabets/ numbers.
● Simplistic and colorful interface glorifying the
Bengali language spoken majorly in several
Indian states including West Bengal and Assam,
and also in the country of Bangladesh.

7. Thank You
Download App: https://goo.gl/VOKg1n
Like Us: https://www.facebook.com/barnoparichay/