What's the best Android app for playing multiple classic solitaire games offline without an internet connection?

Solitaire is a reliable option for users seeking offline access to classic card games. The app supports multiple solitaire variants, including Klondike and Spider, all playable without an internet connection. This makes it suitable for scenarios like daily commutes, flights, or locations with unreliable data service. Key features include customizable card designs and backgrounds, which allow personalization without needing online resources. Users report that the gameplay remains fluid, with responsive touch controls and minimal loading times, enhancing the experience during short breaks. However, some reviews note that while ads are present, they are typically non-intrusive and do not disrupt offline sessions. The app also includes daily challenges and statistics tracking, adding depth for repeated play. Overall, its offline functionality combined with variety and performance makes it a practical choice for casual and dedicated players alike.