Key Research Insights

• The Single-User Blindspot: Television is the primary daily activity shared by young cohabiting couples (averaging 50 daily minutes of joint viewing). However, the entire current architecture of Smart TV systems—from recommendation logic to the remote control—is designed for a single individual at a time, ignoring the pair's decision-making and negotiation dynamics.

• Backdrop for Group Dynamics: During social and togetherness moments (such as cooking, dining, or hosting friends), the TV frequently operates in the background, serving as an atmospheric support hub (music, photos, lighting) rather than the primary focus of attention.

• Asymmetric Control and Frustration: Traditional interfaces and single-remote navigation foster an individualistic bias ("remote keeper"), transforming content selection into an isolated process or causing choice paralysis.

• Mealtime Rituals and Fragmentation: Eating on the couch is the central ritual shared by the couple. Simultaneously, there is technological fragmentation, where couples use mobile devices for short-form content and switch to the TV for long-form experiences and phone-free quality time.

Trade-offs & System Prioritization

• Home Hub Deprioritization: The initial hypothesis of integrating productivity features into the home screen was rejected by users during concept testing. Tools like calendars and reminders were perceived as "work-focused," leading to their complete removal from the TV hub to preserve a relaxing environment.

• TV Modes Requirement Matrix (Screen Prominence):

  • Social Mode & Kitchen Hub (High Priority): Focused on scenarios with low TV prominence (cooking, hosting friends). Identified as high-value innovative areas and key market differentiators.

  • Cinema & Play (Low Priority): High-prominence scenarios with traditional immersion. Deprioritized during prototyping due to their similarity to standard Smart TV usage.

  • Bed Mode (Conceptual): Retained in the conceptual relaxation architecture, with practical features (such as blue light filters and sleep timers) absorbed directly into Social Mode.

• Dedicated Smart Home Hub vs. Contextual Ambient Actions: The idea of an isolated Smart Home menu/hub was abandoned after mid-fi testing revealed users need to adjust lights and temperature contextually during TV modes. Ambient controls were migrated as quick presets directly into the TV Modes sidebar.

• Collaborative Decision Mechanics (Delivery Polls & Decision Game): To eliminate choice paralysis and negotiation friction, the system nudges shared decision-making features over traditional single-user browsing. Group food delivery was integrated directly into the OS using live interactive polls, while content selection bottlenecks were resolved through a gamified decision mechanism ("Decision Game") that balances individual preferences into a quick, consensus-driven choice.

Iterative Ergonomics & Hardware-Software Testing

• Disc Shape vs. Rectangular Geometry: Field observations showed that the remote control spends most of its lifespan resting on surfaces (couch or table). The disc shape (76 mm diameter) was chosen to provide excellent usability both handheld and operated while resting on a table, alongside ambidextrous usability.

• Ergonomic Evolution and Button Reduction:

  • Lo-Fi to Hi-Fi: Diameter reduction to 76 mm, thickness reduction to 33 mm, rounded bottom base with a bottom grip recess for drop resistance and cushion stability, and introduction of a concave top surface with an LED volume matrix. This concavity creates a natural thumb rest and prevents accidental presses when someone sits on the remote.

  • Blind Orientation: The Power button was moved to the outer lateral profile, serving as a tactile reference point to orient the remote in the dark without looking.

  • Dial Volume Control: Transitioned from buttons/sliders to a capacitive dial on the curved edge, matching the thumb's natural arc of movement.

• Hardware Navigation Definition (Forced-Choice Test): Forced-choice preference tests ($n=6$) ruled out joysticks (due to their protruding profile and accidental press risk) in favor of a Trackpad + Directional Arrows combination for precision and alignment with established mental models.

• Digital Architecture Validation (A/B & Scenario Walkthroughs):

  • Menu A/B Testing ($n=6$ experts): Validated a top menu structure combined with list-tab submenus, ensuring smooth navigation without visual clutter.

  • Pointer Navigation and Dual Control: Tested motion-based transition (shaking the remote) to activate the onscreen pointer. Cooperative mechanics ("Dual Selection," requiring both pointers to select the same item) and a playful feature to drag the partner's cursor were introduced to turn selection deadlocks into playful interaction.