Exhibit F to the Complaint.

Key-Features (US8424752B2) Product (Steam App)

Claim 1. A method comprising: With the free Steam Mobile App, you can take Steam with you anywhere. Buy PC games and get 

the latest game and community news - while protecting your Steam account.

• Shop Steam

• Browse the Steam catalog of PC games from your phone. Never miss a sale again.

Source: 

https://play.google.com/store/apps/details?id=com.valvesoftware.android.steam.community

Evidence discloses a mobile app which can capture a digital image carrying a symbology (herein QR 

Code) and retrieve and display information related to the symbology.

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Claim Chart– US 8,424,752 B2 vs Steam App

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Key-Features (US8424752B2) Product (Steam App)

1.1. capturing a digital image using a digital image 

capturing device that is part of a portable electronic 

device;

Time Stamp: 0:40 min

Source: https://www.youtube.com/watch?v=8YhYPGltHyI

Evidence discloses the app capturing digital image using image capturing device (i.e. camera). The 

digital image capturing device is part of portable electronic device (i.e. mobile phone).

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Key-Features (US8424752B2) Product (Steam App)

1.2. detecting symbology associated with an object 

within the digital image using a portable electronic 

device;

With the free Steam Mobile App, you can take Steam with you anywhere. Buy PC games and get 

the latest game and community news - while protecting your Steam account.

Shop Steam

Browse the Steam catalog of PC games from your phone. Never miss a sale again.

Steam Guard

Protect your Steam account and make sign in faster with two-factor authentication.

• Two-factor authentication to ensure you’re the only one with access to your account

• QR code sign in - Scan a QR code to sign into Steam instead of entering a password or...

• Sign in confirmation - Confirm your regular Steam sign ins with simple “approve” or “deny”

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Key-Features (US8424752B2) Product (Steam App)

Source: 

https://play.google.com/store/apps/details?id=com.valvesoftware.android.steam.community

Evidence discloses the detection of symbology (i.e. QR Code) associated with the digital image.

1.3. decoding the symbology to obtain a decode 

string using one or more visual detection 

applications residing on the portable electronic 

device;

Time Stamp: 0.40 min

Source: https://www.youtube.com/watch?v=8YhYPGltHyI

Evidence discloses the information of the symbology. Hence it means at the backend of the 

detection process of symbology (i.e. QR Code), it is decoded forming a decode string. The decode 

string is formed by the use of visual detection application (i.e. Steam App) which is present on the 

portable electronic device (i.e. mobile phone).

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Key-Features (US8424752B2) Product (Steam App)

1.4. sending the decode string to a remote server 

for processing;

Time Stamp: 0.40 min

Source: https://www.youtube.com/watch?v=8YhYPGltHyI

Evidence discloses the information of the symbology. Hence it means at the backend of the 

detection process of symbology (i.e. QR Code), it is decoded forming a decode string. The decode 

string is then sent to a remote server for processing.

1.5. receiving information about the object from 

the remote server wherein the information is based 

on the decode string of the object;

Time Stamp: 0.40 min

Source: https://www.youtube.com/watch?v=8YhYPGltHyI

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Key-Features (US8424752B2) Product (Steam App)

Evidence discloses the information of the symbology. Hence it means at the backend of the 

detection process of symbology (i.e. QR Code), it is decoded forming a decode string. The decode 

string is then sent to a remote server for processing. After processing, it receives the information 

about the object which is based on the decode string of the object (i.e. symbology).

1.6. displaying the information on a display device 

associated with the portable electronic device.

Time Stamp: 0.40 min

Source: https://www.youtube.com/watch?v=8YhYPGltHyI

Evidence discloses the information of the symbology. It displays the information on the display 

device (i.e. mobile phone screen) which is associated with portable electronic device (i.e. mobile 

phone).

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