Abstract
The user interface (UI) is a primary source of interaction with a device. Since the introduction of graphical user interface (GUI), software engineers and designers have been trying to make user-friendly UIs for various computing devices, including smartphones, tablets, and computers. The modern smart TV also comes with built-in operating systems. However, little attention has been given to this prominent entertainment device, i.e., smart TV. The technological advancement and proliferation of smart TV enabled the manufacturer to provide rich functionalities and features; however, this richness resulted in more clutter and attention-demanding interfaces. Besides, smart TV is a lean-back supporting device having a diverse range of users. Therefore, smart TV’s usability and user experience (UX) are questionable due to diverse user interests and limited features of traditional remote controls. This study aimed to discuss and critically analyze the features and functionalities of the existing well-known smart TV UIs of various operating systems in the context of usability, cognition, and UX. Moreover, this study highlights the issues and challenges in the current smart TV UIs and recommends some research opportunities to cope with the smart TV UIs. This study further reports and validates some overlooked factors affecting smart TV UIs and UX. A subjective study and usability tests from diverse users are presented to validate these factors. The study concludes that a one-size-fits-all UI design is unsuitable for shared devices, i.e., smart TV. This study further recommends a personalized adaptive UI, which may enhance the learnability and UXs of the smart TV viewers.
Highlights
Academic Editor: Rahman Ali e user interface (UI) is a primary source of interaction with a device
We argue that a personalized adaptive user interface can improve the smart TV’s usability, user experience (UX), learnability, accessibility, and cognitive overload while performing some operations/actions. e available user interfaces of smart TV are developed based on empirical studies that may not include the characteristics of each household
We argue that dynamically embedding a rich set of smart TV viewers’ data in the existing smart TV user interfaces. is integration will enhance usability, UX, learnability and minimize cognitive overload of smart TV viewers
Summary
Academic Editor: Rahman Ali e user interface (UI) is a primary source of interaction with a device. The UI of different interactive systems, including smartphones, tablets, smart TVs, and computers, provides an enriched set of functionalities and features. A smart TV provides a diverse set of contents from numerous sources through various applications (apps in short), and each app offers specific functionalities and Scientific Programming services to the users [11]. E diversification of the contents and advanced functionalities of a smart TV added more to enjoyment Such diversity and enrichments of features bring more complexities in UIs [13, 14]. Smart TV is accessed and operated by various interaction modalities, such as remote controls, small keypad, voice, gestures, virtual keyboard, and smartphone-based apps, still, most of the viewers use the traditional remote control as a primary interaction device that limits frequent operations and interactions [12]
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