First-order effects

• Sony's net profit jumps 666.7% to $2.7B on PS4 sales even as total revenue slips 1.3% to $71.1B — the company is earning more from fewer dollars of sales, with gaming replacing smartphones as the margin driver.
• The smartphone business is now a stated drag on the top line rather than a growth contributor, putting pressure on Sony's mobile unit to justify its place in the portfolio.

Second-order effects

• As handset volumes fall, Sony pivots the underlying component business — smartphone camera sensors — into a standalone profit source, a bet that later scales into the planned multibillion-dollar image-sensor joint venture with TSMC in Kumamoto from around 2029.
• Continued mobile weakness compounds: by mid-2018 the smartphone division posts a ~$97M quarterly loss with sales predicted to worsen further, deepening the case for treating phones as a niche premium play.

Third-order effects

• If the mix shift holds, Sony structurally becomes an entertainment-and-chips company — consoles, game software, and image sensors carrying the P&L — with consumer electronics like phones reduced to brand-presence sidelines.
• The TSMC sensor JV points toward semiconductor manufacturing capacity consolidating in Japan around Sony's sensor leadership, decoupling that business from Sony's own handset volumes so it can supply rivals' phones profitably.