GoogiOS

GoogiOS is customized theme platform and allows you to Google search more easily and quickly on your iPhone,iPad and iPod. It is the world first Google search app collection for iOS devices even you cannot find these kinds of app collection on Cydia store.
GoogiOS is available on zJailbreak, Xabsi and iExtras app stores. You do not need to jailbreak your device because GoogiOS can be added to both Jailbroken and non-jailbroken devices.
GoogiOS is compatible with latest iOS versions such as iOS 12 / iOS 12.0.1 & iOS 12.1 / iOS 12.1.1.

Install GoogiOS

First, you need to download any app stores from zJailbreak,Xabsi or iExtras third-party app stores according to its installation guide.
Step 01 - Open the downloaded third-party app store. 
Step 02 - Find the GoogiOS app and tap on it.
Step 03 - Tap on “Install”--->”Allow”---> “Install” --->”Enter device passcode”  ---> “Install”--> “Done”
Step 04 - Now you successfully installed. GoogiOS App will be available on your device homescreen.

GoogiOS themes for Google search

You can add animated themes to your iPhone, iPad or iPod.  Get uncommon search experience by adding themes to your Google search.
Step 01 - Go to device homescreen and Open GoogiOS app.
Step 02 - It has massive theme collection. Select one as you desire and tap on it.
Step 03 -  Click on “Install”---> “Allow”---> “Install”---> “Enter passcode” ---> “Install”----> “Done”
Step 04 - Now it has installed to google iOS search theme app to your device. Run the app.

GoogiOS themes collection

Color Dots
Color triangle
Color Box
3D Earth
Colored Spaces
Fire Gclock
Glitter
Googfire
Pentagon
Pond
Christmas Snow
Color Circle
GoogCirculator
Hang
Rain Clouds
Space
Star System
Triangle

Popular Cydia tweaks for Google search

Here are the most popular Cydia tweaks for Google search but not for latest iOS versions.
iWidgetGoogleSearchBar - Adds custom widget to homescreen.
QuickGoogle - install custom widget to your homescreen.
WeeSearch Pro - Search Google directly from your notification center.
NCBrowser 8 -  Adds custom widget to notification center.

Advantage of GoogiOS

GoogiOS is the only available theme store for iOS users, and you cannot find these kinds of theme collection anywhere else.
Both jailbroken and non-jailbroken users can install GoogiOS.