スミレ - 完全オフラインの日本語キーボードアプリ

Sumire - Highly functional Japanese keyboard app that is fully offline compatible and focuses on privacy.

"Sumire" is a **completely offline compatible** Japanese keyboard app that does not require an internet connection. Designed with privacy in mind, all data is stored on your device and never sent to external servers. Therefore, users can input Japanese with confidence. **It does not depend on the network environment**, so its major strength is that you can smoothly input Japanese even on airplanes, on the subway, or in places where there is no signal. In addition, its **simple and beautiful design** and **intuitive operation** make it easy to use even for beginners, while boasting multifunctionality that can be used by professionals. Furthermore, it supports predictive conversion and flick input functions, allowing you to input long sentences smoothly and comfortably.

#### Main features:
- **Completely offline compatible**: Because it does not require an Internet connection, you can use it with confidence even in places with unstable network environments, on airplanes, on the subway, and overseas. All data is stored within the device and is never sent externally, completely preventing the risk of personal information leakage. By using this app, you can save on data communication, and since no internet connection is required, it also contributes to battery conservation.
- **Privacy Protection**: No data is sent externally, and all information you enter is saved on your device. This provides an environment that even those concerned about security and privacy can use with peace of mind. It can be used safely even when entering confidential company information or personal private data, making it ideal for business use. Especially for users who value privacy protection, Sumire is a reliable choice.
- **Simple and intuitive design**: The UI has a beautiful and simple design that anyone can easily use. It has operability that is easy for beginners, yet has multifunctionality that is suitable for professionals. No complicated settings are required, and even those using the app for the first time can get used to it quickly, making it ideal for everyday use. The design is visually sophisticated, making it less tiring even when used for long periods of time, and giving you a sense of satisfaction every time you use it.
- **Fast input response**: Lightweight design minimizes delay when typing for smooth operation. In particular, even when using flick input or the predictive conversion function, characters are reflected in real time without delay, so you can enter long sentences without stress. This allows you to smoothly respond to email and message sending in business settings and daily life.
- **Predictive conversion function**: Equipped with a predictive conversion function to support efficient character input. You can enter characters efficiently with a small number of taps, which is especially useful when entering long texts or creating business documents. This function can be used in any situation, from sending short messages to composing complex sentences, improving work efficiency. Predictive conversion displays accurate candidates based on pre-registered data and provides a comfortable input experience.
- **Flick input compatible**: Supports flick input that allows smooth input with one hand, making it especially easy to operate with one hand. This allows you to input Japanese smoothly even when you are on the move or when one hand is occupied. Since you can select characters with fewer operations than traditional keyboard input, you can create sentences quickly and are ideal for users who prefer flick input.
- **Modern black and white theme**: The design is easy on the eyes even after long periods of use, and uses a simple and modern color scheme of black and white. It can be used comfortably day or night, has high visibility, and is easy to operate. It works comfortably with any device, has a highly visible design, and is designed to reduce fatigue even when used for long periods of time.

#### Usage scene:
- **Use in places with unstable internet connection or offline environment**: Even in places where internet connection is unstable or offline, such as on airplanes, subways, mountain areas, etc., "Sumire" allows you to input Japanese smoothly. Masu. It's especially useful when you're traveling, on a business trip, or when you're traveling long distances to write notes or create emails. Another big advantage is that you don't have to worry about data traffic because it is completely offline compatible. Since no data is sent outside, it is also ideal for sensitive data entry.
- **Situations where privacy protection is important**: When entering confidential corporate information or private conversations, you can use it with confidence as no data is sent to the outside world. Since the data is stored on the device and there is no need to worry about it being accessed from outside, it can be used without any problems even in strict security situations. It is a highly reliable tool, especially for those who handle important information in business settings.
- **Perfect for long-term use**: The simple and sophisticated UI and lightweight operation make it less tiring even when used for long periods of time. Recommended for users who do a lot of typing work, as well as writers, editors, and business people who frequently enter long texts. High operability and visibility provide a stress-free experience, allowing you to perform daily input tasks comfortably.
- **No complicated operations required**: No complicated settings or operations are required, and you can use the app immediately after installing it. In particular, it is designed to be easy to operate, even for those who are using a keyboard on a smartphone for the first time, or those who are not good at setting it up. The design combines simplicity and functionality, making it suitable for a wide range of users from beginners to professionals.

#### Reason for choosing "Violet":
1. **Completely offline compatible so you can use it with confidence anywhere**: No internet connection is required, allowing you to input Japanese in any environment. It works comfortably even in places where the internet environment is unstable, and can be used stress-free, especially when traveling, on business trips, or in places where there is no signal. There is no need to worry about data being sent to an external server, and all information is stored within the device, ensuring complete privacy protection.
2. **Excellent privacy protection, no need to worry about entering confidential information**: All entered data is saved within the device and is not sent externally. This avoids the risk of personal and confidential information being leaked to outside parties, providing peace of mind for those who value security. Ideal for creating important documents in business situations and entering private messages.
3. **Simple and intuitive operation**: Features a sophisticated and simple design, requiring no complicated operations and can be used intuitively. The UI design allows even beginners to use it quickly, making it ideal for those using a Japanese keyboard for the first time. On the other hand, it has high functionality and can be used by professionals.
4. **Fast and Comfortable Typing Experience**: The lightweight design provides an extremely fast response when typing, making it stress-free. In particular, by using the flick input and predictive conversion functions, you can input characters quickly, making it comfortable to use in any situation at work or daily life.